12997488523779 has 12 divisors (see below), whose sum is σ = 18778300966776. Its totient is φ = 8663076559872.

The previous prime is 12997488523771. The next prime is 12997488523793. The reversal of 12997488523779 is 97732588479921.

12997488523779 is a `hidden beast` number, since 1 + 2 + 9 + 9 + 7 + 4 + 88 + 523 + 7 + 7 + 9 = 666.

It is not a de Polignac number, because 12997488523779 - 2³ = 12997488523771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12997488523698 and 12997488523707.

It is not an unprimeable number, because it can be changed into a prime (12997488523771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159606142 + ... + 159687555.

It is an arithmetic number, because the mean of its divisors is an integer number (1564858413898).

Almost surely, 2^{12997488523779} is an apocalyptic number.

12997488523779 is a deficient number, since it is larger than the sum of its proper divisors (5780812442997).

12997488523779 is a wasteful number, since it uses less digits than its factorization.

12997488523779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319298226 (or 319298223 counting only the distinct ones).

The product of its digits is 3840721920, while the sum is 81.

The spelling of 12997488523779 in words is "twelve trillion, nine hundred ninety-seven billion, four hundred eighty-eight million, five hundred twenty-three thousand, seven hundred seventy-nine".