12212032115 has 16 divisors (see below), whose sum is σ = 14903740800. Its totient is φ = 9604488192.

The previous prime is 12212032099. The next prime is 12212032123. The reversal of 12212032115 is 51123021221.

It is a cyclic number.

It is not a de Polignac number, because 12212032115 - 2⁴ = 12212032099 is a prime.

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, 25691 + ... + 158379.

It is an arithmetic number, because the mean of its divisors is an integer number (931483800).

Almost surely, 2^12212032115 is an apocalyptic number.

12212032115 is a deficient number, since it is larger than the sum of its proper divisors (2691708685).

12212032115 is a wasteful number, since it uses less digits than its factorization.

12212032115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133006.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12212032115 its reverse (51123021221), we get a palindrome (63335053336).

The spelling of 12212032115 in words is "twelve billion, two hundred twelve million, thirty-two thousand, one hundred fifteen".