12487971416 has 16 divisors (see below), whose sum is σ = 24222358800. Its totient is φ = 6028675744.

The previous prime is 12487971361. The next prime is 12487971427. The reversal of 12487971416 is 61417978421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26913500 + ... + 26913963.

It is an arithmetic number, because the mean of its divisors is an integer number (1513897425).

Almost surely, 2^12487971416 is an apocalyptic number.

It is an amenable number.

12487971416 is a deficient number, since it is larger than the sum of its proper divisors (11734387384).

12487971416 is a wasteful number, since it uses less digits than its factorization.

12487971416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53827498 (or 53827494 counting only the distinct ones).

The product of its digits is 677376, while the sum is 50.

The spelling of 12487971416 in words is "twelve billion, four hundred eighty-seven million, nine hundred seventy-one thousand, four hundred sixteen".