127817255342212 has 12 divisors (see below), whose sum is σ = 228882061892176. Its totient is φ = 62422380515880.

The previous prime is 127817255342197. The next prime is 127817255342221. The reversal of 127817255342212 is 212243552718721.

It is a self number, because there is not a number n which added to its sum of digits gives 127817255342212.

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, 371561788614 + ... + 371561788957.

Almost surely, 2^{127817255342212} is an apocalyptic number.

It is an amenable number.

127817255342212 is a deficient number, since it is larger than the sum of its proper divisors (101064806549964).

127817255342212 is a wasteful number, since it uses less digits than its factorization.

127817255342212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743123577618 (or 743123577616 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 52.

The spelling of 127817255342212 in words is "one hundred twenty-seven trillion, eight hundred seventeen billion, two hundred fifty-five million, three hundred forty-two thousand, two hundred twelve".