115133212 has 24 divisors (see below), whose sum is σ = 204185520. Its totient is φ = 56799360.

The previous prime is 115133209. The next prime is 115133237. The reversal of 115133212 is 212331511.

It is a self number, because there is not a number n which added to its sum of digits gives 115133212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150912 + ... + 151672.

It is an arithmetic number, because the mean of its divisors is an integer number (8507730).

Almost surely, 2^115133212 is an apocalyptic number.

It is an amenable number.

115133212 is a deficient number, since it is larger than the sum of its proper divisors (89052308).

115133212 is a wasteful number, since it uses less digits than its factorization.

115133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1219 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 115133212 is about 10730.0145386668. The cubic root of 115133212 is about 486.4821094989.

Adding to 115133212 its reverse (212331511), we get a palindrome (327464723).

The spelling of 115133212 in words is "one hundred fifteen million, one hundred thirty-three thousand, two hundred twelve".