12000502120 has 32 divisors (see below), whose sum is σ = 27371014920. Its totient is φ = 4734443520.

The previous prime is 12000502117. The next prime is 12000502139. The reversal of 12000502120 is 2120500021.

It can be written as a sum of positive squares in 4 ways, for example, as 10779838276 + 1220663844 = 103826^2 + 34938^2 .

It is a super-2 number, since 2×12000502120² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12000502120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2051961 + ... + 2057800.

Almost surely, 2^12000502120 is an apocalyptic number.

12000502120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000502120 is an abundant number, since it is smaller than the sum of its proper divisors (15370512800).

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

12000502120 is a wasteful number, since it uses less digits than its factorization.

12000502120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109845 (or 4109841 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The spelling of 12000502120 in words is "twelve billion, five hundred two thousand, one hundred twenty".