120845168520 has 64 divisors (see below), whose sum is σ = 365390161920. Its totient is φ = 31971631104.

The previous prime is 120845168461. The next prime is 120845168581. The reversal of 120845168520 is 25861548021.

It is a super-3 number, since 3×120845168520³ (a number of 34 digits) contains 333 as substring.

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, 3949497 + ... + 3979976.

It is an arithmetic number, because the mean of its divisors is an integer number (5709221280).

Almost surely, 2^120845168520 is an apocalyptic number.

120845168520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120845168520 is an abundant number, since it is smaller than the sum of its proper divisors (244544993400).

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

120845168520 is a wasteful number, since it uses less digits than its factorization.

120845168520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7929614 (or 7929610 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 120845168520 in words is "one hundred twenty billion, eight hundred forty-five million, one hundred sixty-eight thousand, five hundred twenty".