12971609427162 has 32 divisors (see below), whose sum is σ = 26007992524800. Its totient is φ = 4313085069888.

The previous prime is 12971609427157. The next prime is 12971609427163. The reversal of 12971609427162 is 26172490617921.

It is a super-2 number, since 2×12971609427162² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12971609427163) 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 15 ways as a sum of consecutive naturals, for example, 3417639 + ... + 6133797.

It is an arithmetic number, because the mean of its divisors is an integer number (812749766400).

Almost surely, 2^{12971609427162} is an apocalyptic number.

12971609427162 is an abundant number, since it is smaller than the sum of its proper divisors (13036383097638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12971609427162 is a wasteful number, since it uses less digits than its factorization.

12971609427162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718150.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 12971609427162 in words is "twelve trillion, nine hundred seventy-one billion, six hundred nine million, four hundred twenty-seven thousand, one hundred sixty-two".