195914212722 has 18 divisors (see below), whose sum is σ = 424484863023. Its totient is φ = 65304111612.

The previous prime is 195914212693. The next prime is 195914212759. The reversal of 195914212722 is 227212419591.

195914212722 is a `hidden beast` number, since 1 + 9 + 591 + 42 + 12 + 7 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 97957106361 + 97957106361 = 312981^2 + 312981^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=312981.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1825723 + ... + 1930049.

Almost surely, 2^195914212722 is an apocalyptic number.

195914212722 is an abundant number, since it is smaller than the sum of its proper divisors (228570650301).

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

195914212722 is an frugal number, since it uses more digits than its factorization.

195914212722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208662 (or 104332 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 195914212722 in words is "one hundred ninety-five billion, nine hundred fourteen million, two hundred twelve thousand, seven hundred twenty-two".