12130435056 has 40 divisors (see below), whose sum is σ = 32417545680. Its totient is φ = 3904047616.

The previous prime is 12130435043. The next prime is 12130435081. The reversal of 12130435056 is 65053403121.

It is a congruent number.

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, 4355805 + ... + 4358588.

It is an arithmetic number, because the mean of its divisors is an integer number (810438642).

Almost surely, 2^12130435056 is an apocalyptic number.

12130435056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12130435056 is an abundant number, since it is smaller than the sum of its proper divisors (20287110624).

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

12130435056 is a wasteful number, since it uses less digits than its factorization.

12130435056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714433 (or 8714427 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 12130435056 its reverse (65053403121), we get a palindrome (77183838177).

The spelling of 12130435056 in words is "twelve billion, one hundred thirty million, four hundred thirty-five thousand, fifty-six".