127005661215222 has 16 divisors (see below), whose sum is σ = 254174254663680. Its totient is φ = 42308065032872.

The previous prime is 127005661215163. The next prime is 127005661215319. The reversal of 127005661215222 is 222512166500721.

It is a super-2 number, since 2×127005661215222² (a number of 29 digits) contains 22 as substring.

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, 6788832918 + ... + 6788851625.

It is an arithmetic number, because the mean of its divisors is an integer number (15885890916480).

Almost surely, 2^{127005661215222} is an apocalyptic number.

127005661215222 is an abundant number, since it is smaller than the sum of its proper divisors (127168593448458).

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

127005661215222 is a wasteful number, since it uses less digits than its factorization.

127005661215222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13577686107.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 127005661215222 in words is "one hundred twenty-seven trillion, five billion, six hundred sixty-one million, two hundred fifteen thousand, two hundred twenty-two".