127212902064 has 30 divisors (see below), whose sum is σ = 356019441596. Its totient is φ = 42404300640.

The previous prime is 127212902051. The next prime is 127212902099. The reversal of 127212902064 is 460209212721.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441711322 + ... + 441711609.

Almost surely, 2^127212902064 is an apocalyptic number.

It is an amenable number.

127212902064 is an abundant number, since it is smaller than the sum of its proper divisors (228806539532).

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

127212902064 is a wasteful number, since it uses less digits than its factorization.

127212902064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883422945 (or 883422936 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 127212902064 in words is "one hundred twenty-seven billion, two hundred twelve million, nine hundred two thousand, sixty-four".