12697154297152 has 56 divisors (see below), whose sum is σ = 27202411382216. Its totient is φ = 5845463635968.

The previous prime is 12697154297129. The next prime is 12697154297167. The reversal of 12697154297152 is 25179245179621.

It can be written as a sum of positive squares in 4 ways, for example, as 1729229056 + 12695425068096 = 41584^2 + 3563064^2 .

It is a super-2 number, since 2×12697154297152² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18890103 + ... + 19550710.

It is an arithmetic number, because the mean of its divisors is an integer number (485757346111).

Almost surely, 2^{12697154297152} is an apocalyptic number.

It is an amenable number.

12697154297152 is an abundant number, since it is smaller than the sum of its proper divisors (14505257085064).

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

12697154297152 is a wasteful number, since it uses less digits than its factorization.

12697154297152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38441235 (or 38441225 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 61.

The spelling of 12697154297152 in words is "twelve trillion, six hundred ninety-seven billion, one hundred fifty-four million, two hundred ninety-seven thousand, one hundred fifty-two".