127812738932 has 12 divisors (see below), whose sum is σ = 223677688836. Its totient is φ = 63904827840.

The previous prime is 127812738923. The next prime is 127812738943. The reversal of 127812738932 is 239837218721.

It can be written as a sum of positive squares in 2 ways, for example, as 41703357796 + 86109381136 = 204214^2 + 293444^2 .

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, 187583 + ... + 539270.

It is an arithmetic number, because the mean of its divisors is an integer number (18639807403).

Almost surely, 2^127812738932 is an apocalyptic number.

It is an amenable number.

127812738932 is a deficient number, since it is larger than the sum of its proper divisors (95864949904).

127812738932 is a wasteful number, since it uses less digits than its factorization.

127812738932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770818 (or 770816 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The spelling of 127812738932 in words is "one hundred twenty-seven billion, eight hundred twelve million, seven hundred thirty-eight thousand, nine hundred thirty-two".