115212612 has 24 divisors (see below), whose sum is σ = 280518336. Its totient is φ = 36734368.

The previous prime is 115212577. The next prime is 115212631. The reversal of 115212612 is 216212511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208443 + ... + 208994.

It is an arithmetic number, because the mean of its divisors is an integer number (11688264).

Almost surely, 2^115212612 is an apocalyptic number.

115212612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115212612 is an abundant number, since it is smaller than the sum of its proper divisors (165305724).

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

115212612 is a wasteful number, since it uses less digits than its factorization.

115212612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417467 (or 417465 counting only the distinct ones).

The product of its digits is 240, while the sum is 21.

The square root of 115212612 is about 10733.7138027805. The cubic root of 115212612 is about 486.5939156487.

The spelling of 115212612 in words is "one hundred fifteen million, two hundred twelve thousand, six hundred twelve".