12771629620025 has 12 divisors (see below), whose sum is σ = 15837145323600. Its totient is φ = 10217094280080.

The previous prime is 12771629620007. The next prime is 12771629620031. The reversal of 12771629620025 is 52002692617721.

It is not a de Polignac number, because 12771629620025 - 2¹² = 12771629615929 is a prime.

It is a super-2 number, since 2×12771629620025² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3985415 + ... + 6436364.

It is an arithmetic number, because the mean of its divisors is an integer number (1319762110300).

Almost surely, 2^{12771629620025} is an apocalyptic number.

It is an amenable number.

12771629620025 is a deficient number, since it is larger than the sum of its proper divisors (3065515703575).

12771629620025 is a wasteful number, since it uses less digits than its factorization.

12771629620025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10470808 (or 10470803 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 12771629620025 in words is "twelve trillion, seven hundred seventy-one billion, six hundred twenty-nine million, six hundred twenty thousand, twenty-five".