12915063122 has 16 divisors (see below), whose sum is σ = 21047425560. Its totient is φ = 5908046592.

The previous prime is 12915063121. The next prime is 12915063131. The reversal of 12915063122 is 22136051921.

It can be written as a sum of positive squares in 4 ways, for example, as 1727981761 + 11187081361 = 41569^2 + 105769^2 .

It is not an unprimeable number, because it can be changed into a prime (12915063121) 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, 2194997 + ... + 2200872.

Almost surely, 2^12915063122 is an apocalyptic number.

12915063122 is a deficient number, since it is larger than the sum of its proper divisors (8132362438).

12915063122 is a wasteful number, since it uses less digits than its factorization.

12915063122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395997.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 12915063122 in words is "twelve billion, nine hundred fifteen million, sixty-three thousand, one hundred twenty-two".