12137479724 has 12 divisors (see below), whose sum is σ = 21925770048. Its totient is φ = 5872974000.

The previous prime is 12137479721. The next prime is 12137479747. The reversal of 12137479724 is 42797473121.

It is a super-2 number, since 2×12137479724² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12137479721) 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 3 ways as a sum of consecutive naturals, for example, 48941327 + ... + 48941574.

It is an arithmetic number, because the mean of its divisors is an integer number (1827147504).

Almost surely, 2^12137479724 is an apocalyptic number.

It is an amenable number.

12137479724 is a deficient number, since it is larger than the sum of its proper divisors (9788290324).

12137479724 is a wasteful number, since it uses less digits than its factorization.

12137479724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97882936 (or 97882934 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The spelling of 12137479724 in words is "twelve billion, one hundred thirty-seven million, four hundred seventy-nine thousand, seven hundred twenty-four".