115081212 has 24 divisors (see below), whose sum is σ = 268872912. Its totient is φ = 38310400.

The previous prime is 115081189. The next prime is 115081217. The reversal of 115081212 is 212180511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115081217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4012 + ... + 15692.

It is an arithmetic number, because the mean of its divisors is an integer number (11203038).

Almost surely, 2^115081212 is an apocalyptic number.

115081212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115081212 is an abundant number, since it is smaller than the sum of its proper divisors (153791700).

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

115081212 is a wasteful number, since it uses less digits than its factorization.

115081212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12509 (or 12507 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 115081212 is about 10727.5911555204. The cubic root of 115081212 is about 486.4088584688.

It can be divided in two parts, 11508 and 1212, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 115081212 in words is "one hundred fifteen million, eighty-one thousand, two hundred twelve".