12212031099 has 16 divisors (see below), whose sum is σ = 16449507360. Its totient is φ = 8058009600.

The previous prime is 12212031077. The next prime is 12212031113. The reversal of 12212031099 is 99013021221.

It is not a de Polignac number, because 12212031099 - 2²⁴ = 12195253883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212031059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1294869 + ... + 1304265.

It is an arithmetic number, because the mean of its divisors is an integer number (1028094210).

Almost surely, 2^12212031099 is an apocalyptic number.

12212031099 is a deficient number, since it is larger than the sum of its proper divisors (4237476261).

12212031099 is a wasteful number, since it uses less digits than its factorization.

12212031099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13790.

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 12212031099 in words is "twelve billion, two hundred twelve million, thirty-one thousand, ninety-nine".