127222169568 has 96 divisors (see below), whose sum is σ = 359720821152. Its totient is φ = 39137280000.

The previous prime is 127222169563. The next prime is 127222169603. The reversal of 127222169568 is 865961222721.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 127222169568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127222169563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9779068 + ... + 9792068.

It is an arithmetic number, because the mean of its divisors is an integer number (3747091887).

Almost surely, 2^127222169568 is an apocalyptic number.

It is an amenable number.

127222169568 is an abundant number, since it is smaller than the sum of its proper divisors (232498651584).

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

127222169568 is a wasteful number, since it uses less digits than its factorization.

127222169568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20868 (or 20860 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The spelling of 127222169568 in words is "one hundred twenty-seven billion, two hundred twenty-two million, one hundred sixty-nine thousand, five hundred sixty-eight".