12515276272 has 20 divisors (see below), whose sum is σ = 24259373640. Its totient is φ = 6254792768.

The previous prime is 12515276227. The next prime is 12515276273. The reversal of 12515276272 is 27267251521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12515276273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141322 + ... + 212137.

It is an arithmetic number, because the mean of its divisors is an integer number (1212968682).

Almost surely, 2^12515276272 is an apocalyptic number.

It is an amenable number.

12515276272 is a deficient number, since it is larger than the sum of its proper divisors (11744097368).

12515276272 is a wasteful number, since it uses less digits than its factorization.

12515276272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355680 (or 355674 counting only the distinct ones).

The product of its digits is 117600, while the sum is 40.

The spelling of 12515276272 in words is "twelve billion, five hundred fifteen million, two hundred seventy-six thousand, two hundred seventy-two".