12881494025 has 24 divisors (see below), whose sum is σ = 16054311000. Its totient is φ = 10252915200.

The previous prime is 12881494001. The next prime is 12881494037. The reversal of 12881494025 is 52049418821.

It can be written as a sum of positive squares in 12 ways, for example, as 358988809 + 12522505216 = 18947^2 + 111904^2 .

It is not a de Polignac number, because 12881494025 - 2¹⁶ = 12881428489 is a prime.

It is a super-2 number, since 2×12881494025² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4718861 + ... + 4721589.

It is an arithmetic number, because the mean of its divisors is an integer number (668929625).

Almost surely, 2^12881494025 is an apocalyptic number.

It is an amenable number.

12881494025 is a deficient number, since it is larger than the sum of its proper divisors (3172816975).

12881494025 is a wasteful number, since it uses less digits than its factorization.

12881494025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629 (or 3624 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 12881494025 in words is "twelve billion, eight hundred eighty-one million, four hundred ninety-four thousand, twenty-five".