12656134262 has 16 divisors (see below), whose sum is σ = 20120661792. Its totient is φ = 5949978240.

The previous prime is 12656134259. The next prime is 12656134277. The reversal of 12656134262 is 26243165621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147578 + ... + 217005.

It is an arithmetic number, because the mean of its divisors is an integer number (1257541362).

Almost surely, 2^12656134262 is an apocalyptic number.

12656134262 is a deficient number, since it is larger than the sum of its proper divisors (7464527530).

12656134262 is a wasteful number, since it uses less digits than its factorization.

12656134262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365623.

The product of its digits is 103680, while the sum is 38.

Adding to 12656134262 its reverse (26243165621), we get a palindrome (38899299883).

The spelling of 12656134262 in words is "twelve billion, six hundred fifty-six million, one hundred thirty-four thousand, two hundred sixty-two".