12697142992 has 40 divisors (see below), whose sum is σ = 24904600200. Its totient is φ = 6270308352.

The previous prime is 12697142989. The next prime is 12697143001. The reversal of 12697142992 is 29924179621.

12697142992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3023240256 + 9673902736 = 54984^2 + 98356^2 .

It is a super-2 number, since 2×12697142992² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432398 + ... + 1441234.

It is an arithmetic number, because the mean of its divisors is an integer number (622615005).

Almost surely, 2^12697142992 is an apocalyptic number.

It is an amenable number.

12697142992 is a deficient number, since it is larger than the sum of its proper divisors (12207457208).

12697142992 is a wasteful number, since it uses less digits than its factorization.

12697142992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943 (or 9937 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The spelling of 12697142992 in words is "twelve billion, six hundred ninety-seven million, one hundred forty-two thousand, nine hundred ninety-two".