12505602120 has 128 divisors (see below), whose sum is σ = 42247802880. Its totient is φ = 2933856000.

The previous prime is 12505602097. The next prime is 12505602211. The reversal of 12505602120 is 2120650521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111886 + ... + 193725.

It is an arithmetic number, because the mean of its divisors is an integer number (330060960).

Almost surely, 2^12505602120 is an apocalyptic number.

12505602120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12505602120 is an abundant number, since it is smaller than the sum of its proper divisors (29742200760).

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

12505602120 is a wasteful number, since it uses less digits than its factorization.

12505602120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305667 (or 305663 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 12505602120 in words is "twelve billion, five hundred five million, six hundred two thousand, one hundred twenty".