12513500124 has 12 divisors (see below), whose sum is σ = 29198166984. Its totient is φ = 4171166704.

The previous prime is 12513500123. The next prime is 12513500143. The reversal of 12513500124 is 42100531521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12513500094 and 12513500103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513500123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521395827 + ... + 521395850.

It is an arithmetic number, because the mean of its divisors is an integer number (2433180582).

Almost surely, 2^12513500124 is an apocalyptic number.

It is an amenable number.

12513500124 is an abundant number, since it is smaller than the sum of its proper divisors (16684666860).

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

12513500124 is a wasteful number, since it uses less digits than its factorization.

12513500124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042791684 (or 1042791682 counting only the distinct ones).

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

The spelling of 12513500124 in words is "twelve billion, five hundred thirteen million, five hundred thousand, one hundred twenty-four".