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120212222020220 = 2251117298313353679
BaseRepresentation
bin11011010101010100010110…
…110010101000101001111100
3120202122011202102221200021102
4123111110112302220221330
5111224024112314121340
61103400422111152232
734215021632454161
oct3325242662505174
9522564672850242
10120212222020220
113533779844a070
1211595b25b15678
13520cc6b8a7775
142198434444068
15dd6ee0aa4215
hex6d5516ca8a7c

120212222020220 has 192 divisors, whose sum is σ = 305284354099200. Its totient is φ = 39244857200640.

The previous prime is 120212222020213. The next prime is 120212222020283. The reversal of 120212222020220 is 22020222212021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120212222020192 and 120212222020201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2325341 + ... + 15679019.

It is an arithmetic number, because the mean of its divisors is an integer number (1590022677600).

Almost surely, 2120212222020220 is an apocalyptic number.

120212222020220 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 120212222020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152642177049600).

120212222020220 is an abundant number, since it is smaller than the sum of its proper divisors (185072132078980).

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

120212222020220 is a wasteful number, since it uses less digits than its factorization.

120212222020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353828 (or 13353826 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 120212222020220 its reverse (22020222212021), we get a palindrome (142232444232241).

The spelling of 120212222020220 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred twenty-two million, twenty thousand, two hundred twenty".