212099115 has 16 divisors (see below), whose sum is σ = 339667488. Its totient is φ = 113016576.

The previous prime is 212099101. The next prime is 212099131. The reversal of 212099115 is 511990212.

It is not a de Polignac number, because 212099115 - 2⁶ = 212099051 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 12367 + ... + 24023.

It is an arithmetic number, because the mean of its divisors is an integer number (21229218).

Almost surely, 2^212099115 is an apocalyptic number.

212099115 is a deficient number, since it is larger than the sum of its proper divisors (127568373).

212099115 is a wasteful number, since it uses less digits than its factorization.

212099115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 212099115 is about 14563.6230039094. The cubic root of 212099115 is about 596.3661052241.

The spelling of 212099115 in words is "two hundred twelve million, ninety-nine thousand, one hundred fifteen".