115212215 has 16 divisors (see below), whose sum is σ = 144456480. Its totient is φ = 88099200.

The previous prime is 115212161. The next prime is 115212233. The reversal of 115212215 is 512212511.

It is not a de Polignac number, because 115212215 - 2⁸ = 115211959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10712 + ... + 18578.

It is an arithmetic number, because the mean of its divisors is an integer number (9028530).

Almost surely, 2^115212215 is an apocalyptic number.

115212215 is a deficient number, since it is larger than the sum of its proper divisors (29244265).

115212215 is a wasteful number, since it uses less digits than its factorization.

115212215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8002.

The product of its digits is 200, while the sum is 20.

The square root of 115212215 is about 10733.6953096313. The cubic root of 115212215 is about 486.5933567458.

Adding to 115212215 its reverse (512212511), we get a palindrome (627424726).

The spelling of 115212215 in words is "one hundred fifteen million, two hundred twelve thousand, two hundred fifteen".