127222484222721 has 64 divisors (see below), whose sum is σ = 185451105484800. Its totient is φ = 77252257520640.

The previous prime is 127222484222689. The next prime is 127222484222797.

127222484222721 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 127222484222721 - 2⁵ = 127222484222689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127222484222521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3892126840 + ... + 3892159526.

It is an arithmetic number, because the mean of its divisors is an integer number (2897673523200).

Almost surely, 2^{127222484222721} is an apocalyptic number.

It is an amenable number.

127222484222721 is a deficient number, since it is larger than the sum of its proper divisors (58228621262079).

127222484222721 is a wasteful number, since it uses less digits than its factorization.

127222484222721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43734.

The product of its digits is 1605632, while the sum is 48.

The spelling of 127222484222721 in words is "one hundred twenty-seven trillion, two hundred twenty-two billion, four hundred eighty-four million, two hundred twenty-two thousand, seven hundred twenty-one".