12933971225 has 48 divisors (see below), whose sum is σ = 19181629440. Its totient is φ = 8458824000.

The previous prime is 12933971177. The next prime is 12933971227. The reversal of 12933971225 is 52217933921.

12933971225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12933971225 - 2⁸ = 12933970969 is a prime.

It is a super-2 number, since 2×12933971225² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12933971227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1440500 + ... + 1449450.

It is an arithmetic number, because the mean of its divisors is an integer number (399617280).

Almost surely, 2^12933971225 is an apocalyptic number.

It is an amenable number.

12933971225 is a deficient number, since it is larger than the sum of its proper divisors (6247658215).

12933971225 is a wasteful number, since it uses less digits than its factorization.

12933971225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9350 (or 9345 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The spelling of 12933971225 in words is "twelve billion, nine hundred thirty-three million, nine hundred seventy-one thousand, two hundred twenty-five".