12560337138 has 16 divisors (see below), whose sum is σ = 25342982496. Its totient is φ = 4149727680.

The previous prime is 12560337133. The next prime is 12560337157. The reversal of 12560337138 is 83173306521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12560337096 and 12560337105.

It is not an unprimeable number, because it can be changed into a prime (12560337133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9262108 + ... + 9263463.

It is an arithmetic number, because the mean of its divisors is an integer number (1583936406).

Almost surely, 2^12560337138 is an apocalyptic number.

12560337138 is an abundant number, since it is smaller than the sum of its proper divisors (12782645358).

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

12560337138 is a wasteful number, since it uses less digits than its factorization.

12560337138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18525689.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 12560337138 in words is "twelve billion, five hundred sixty million, three hundred thirty-seven thousand, one hundred thirty-eight".