12137773684 has 12 divisors (see below), whose sum is σ = 21301279524. Its totient is φ = 6051693824.

The previous prime is 12137773673. The next prime is 12137773727. The reversal of 12137773684 is 48637773121.

It can be written as a sum of positive squares in 2 ways, for example, as 8571056400 + 3566717284 = 92580^2 + 59722^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4296667 + ... + 4299490.

It is an arithmetic number, because the mean of its divisors is an integer number (1775106627).

Almost surely, 2^12137773684 is an apocalyptic number.

It is an amenable number.

12137773684 is a deficient number, since it is larger than the sum of its proper divisors (9163505840).

12137773684 is a wasteful number, since it uses less digits than its factorization.

12137773684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8596514 (or 8596512 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 49.

The spelling of 12137773684 in words is "twelve billion, one hundred thirty-seven million, seven hundred seventy-three thousand, six hundred eighty-four".