115212116322 has 24 divisors (see below), whose sum is σ = 249654575664. Its totient is φ = 38399681304.

The previous prime is 115212116293. The next prime is 115212116347. The reversal of 115212116322 is 223611212511.

It is a happy number.

115212116322 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 1 + 21 + 1 + 632 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198048 + ... + 519275.

It is an arithmetic number, because the mean of its divisors is an integer number (10402273986).

Almost surely, 2^115212116322 is an apocalyptic number.

115212116322 is an abundant number, since it is smaller than the sum of its proper divisors (134442459342).

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

115212116322 is a wasteful number, since it uses less digits than its factorization.

115212116322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726254 (or 726251 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

Adding to 115212116322 its reverse (223611212511), we get a palindrome (338823328833).

The spelling of 115212116322 in words is "one hundred fifteen billion, two hundred twelve million, one hundred sixteen thousand, three hundred twenty-two".