127312690170832 has 40 divisors (see below), whose sum is σ = 259654175667360. Its totient is φ = 60305245983360.

The previous prime is 127312690170821. The next prime is 127312690170871. The reversal of 127312690170832 is 238071096213721.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 127312690170832.

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, 21709623 + ... + 26943145.

It is an arithmetic number, because the mean of its divisors is an integer number (6491354391684).

Almost surely, 2^{127312690170832} is an apocalyptic number.

It is an amenable number.

127312690170832 is an abundant number, since it is smaller than the sum of its proper divisors (132341485496528).

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

127312690170832 is a wasteful number, since it uses less digits than its factorization.

127312690170832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313571 (or 5313565 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 127312690170832 in words is "one hundred twenty-seven trillion, three hundred twelve billion, six hundred ninety million, one hundred seventy thousand, eight hundred thirty-two".