12897238126 has 8 divisors (see below), whose sum is σ = 19360662840. Its totient is φ = 6443683848.

The previous prime is 12897238099. The next prime is 12897238147. The reversal of 12897238126 is 62183279821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12897238126.

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, 2464341 + ... + 2469568.

It is an arithmetic number, because the mean of its divisors is an integer number (2420082855).

Almost surely, 2^12897238126 is an apocalyptic number.

12897238126 is a deficient number, since it is larger than the sum of its proper divisors (6463424714).

12897238126 is a wasteful number, since it uses less digits than its factorization.

12897238126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935218.

The product of its digits is 580608, while the sum is 49.

The spelling of 12897238126 in words is "twelve billion, eight hundred ninety-seven million, two hundred thirty-eight thousand, one hundred twenty-six".