12370984252081 has 27 divisors (see below), whose sum is σ = 15583272003243. Its totient is φ = 9787778254800.

The previous prime is 12370984252063. The next prime is 12370984252139. The reversal of 12370984252081 is 18025248907321.

The square root of 12370984252081 is 3517241.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1830027256225 + 10540956995856 = 1352785^2 + 3246684^2 .

It is not a de Polignac number, because 12370984252081 - 2⁵ = 12370984252049 is a prime.

It is a super-2 number, since 2×12370984252081² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12370984252021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 320049606 + ... + 320088256.

Almost surely, 2^{12370984252081} is an apocalyptic number.

12370984252081 is the 3517241-st square number.

12370984252081 is the 1758621-st centered octagonal number.

It is an amenable number.

12370984252081 is a deficient number, since it is larger than the sum of its proper divisors (3212287751162).

12370984252081 is an frugal number, since it uses more digits than its factorization.

12370984252081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77342 (or 38671 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 12370984252081 in words is "twelve trillion, three hundred seventy billion, nine hundred eighty-four million, two hundred fifty-two thousand, eighty-one".