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122200213231120 = 24510919077348603
BaseRepresentation
bin11011110010001111110100…
…010011010001011000010000
3121000200020002222010211111211
4123302033310103101120100
5112004112014041343440
61111522000350145504
734511450126111263
oct3362176423213020
9530606088124454
10122200213231120
1135a33901685962
12118572781b2294
13532557a21a96b
142226744068cda
15e1da94676eea
hex6f23f44d1610

122200213231120 has 80 divisors (see below), whose sum is σ = 286872451398720. Its totient is φ = 48406240783872.

The previous prime is 122200213231013. The next prime is 122200213231133. The reversal of 122200213231120 is 21132312002221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1222002132311202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122200213231091 and 122200213231100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12954739 + ... + 20303341.

It is an arithmetic number, because the mean of its divisors is an integer number (3585905642484).

Almost surely, 2122200213231120 is an apocalyptic number.

122200213231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122200213231120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143436225699360).

122200213231120 is an abundant number, since it is smaller than the sum of its proper divisors (164672238167600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122200213231120 is a wasteful number, since it uses less digits than its factorization.

122200213231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350632 (or 7350626 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 122200213231120 its reverse (21132312002221), we get a palindrome (143332525233341).

The spelling of 122200213231120 in words is "one hundred twenty-two trillion, two hundred billion, two hundred thirteen million, two hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 109 218 436 545 872 1090 1744 1907 2180 3814 4360 7628 8720 9535 15256 19070 30512 38140 76280 152560 207863 415726 831452 1039315 1662904 2078630 3325808 4157260 7348603 8314520 14697206 16629040 29394412 36743015 58788824 73486030 117577648 146972060 293944120 587888240 800997727 1601995454 3203990908 4004988635 6407981816 8009977270 12815963632 14013785921 16019954540 28027571842 32039909080 56055143684 64079818160 70068929605 112110287368 140137859210 224220574736 280275718420 560551436840 1121102873680 1527502665389 3055005330778 6110010661556 7637513326945 12220021323112 15275026653890 24440042646224 30550053307780 61100106615560 122200213231120