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120012131120 = 2457214307377
BaseRepresentation
bin110111111000101000…
…1111100101100110000
3102110202211222221021012
41233301101330230300
53431241101143440
6131044404250052
711446004166050
oct1576121745460
9373684887235
10120012131120
11469957a0442
121b3139a0928
13b417873c4b
145b46bc3560
1531c609ee65
hex1bf147cb30

120012131120 has 40 divisors (see below), whose sum is σ = 318889378464. Its totient is φ = 41147016192.

The previous prime is 120012131117. The next prime is 120012131123. The reversal of 120012131120 is 21131210021.

It is an interprime number because it is at equal distance from previous prime (120012131117) and next prime (120012131123).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120012131095 and 120012131104.

It is not an unprimeable number, because it can be changed into a prime (120012131123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107153129 + ... + 107154248.

Almost surely, 2120012131120 is an apocalyptic number.

120012131120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012131120 is an abundant number, since it is smaller than the sum of its proper divisors (198877247344).

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

120012131120 is a wasteful number, since it uses less digits than its factorization.

120012131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214307397 (or 214307391 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120012131120 its reverse (21131210021), we get a palindrome (141143341141).

The spelling of 120012131120 in words is "one hundred twenty billion, twelve million, one hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 214307377 428614754 857229508 1071536885 1500151639 1714459016 2143073770 3000303278 3428918032 4286147540 6000606556 7500758195 8572295080 12001213112 15001516390 17144590160 24002426224 30003032780 60006065560 120012131120