12888774953 has 12 divisors (see below), whose sum is σ = 13428098460. Its totient is φ = 12368547072.

The previous prime is 12888774901. The next prime is 12888774971. The reversal of 12888774953 is 35947788821.

It can be written as a sum of positive squares in 6 ways, for example, as 2053630489 + 10835144464 = 45317^2 + 104092^2 .

It is not a de Polignac number, because 12888774953 - 2⁶ = 12888774889 is a prime.

It is a super-2 number, since 2×12888774953² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12888774653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35453 + ... + 164421.

It is an arithmetic number, because the mean of its divisors is an integer number (1119008205).

Almost surely, 2^12888774953 is an apocalyptic number.

It is an amenable number.

12888774953 is a deficient number, since it is larger than the sum of its proper divisors (539323507).

12888774953 is an equidigital number, since it uses as much as digits as its factorization.

12888774953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129116 (or 129079 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 62.

The spelling of 12888774953 in words is "twelve billion, eight hundred eighty-eight million, seven hundred seventy-four thousand, nine hundred fifty-three".