12487945016 has 64 divisors (see below), whose sum is σ = 25504512000. Its totient is φ = 5710538880.

The previous prime is 12487944977. The next prime is 12487945033. The reversal of 12487945016 is 61054978421.

It is a happy number.

It is a congruent number.

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, 2065550 + ... + 2071586.

It is an arithmetic number, because the mean of its divisors is an integer number (398508000).

Almost surely, 2^12487945016 is an apocalyptic number.

It is an amenable number.

12487945016 is an abundant number, since it is smaller than the sum of its proper divisors (13016566984).

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

12487945016 is a wasteful number, since it uses less digits than its factorization.

12487945016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6532 (or 6528 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 12487945016 in words is "twelve billion, four hundred eighty-seven million, nine hundred forty-five thousand, sixteen".