12231099 has 12 divisors (see below), whose sum is σ = 17916912. Its totient is φ = 8038800.

The previous prime is 12231083. The next prime is 12231133. The reversal of 12231099 is 99013221.

It is not a de Polignac number, because 12231099 - 2⁴ = 12231083 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12231059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8932 + ... + 10209.

It is an arithmetic number, because the mean of its divisors is an integer number (1493076).

Almost surely, 2^12231099 is an apocalyptic number.

12231099 is a deficient number, since it is larger than the sum of its proper divisors (5685813).

12231099 is a wasteful number, since it uses less digits than its factorization.

12231099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19218 (or 19215 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 12231099 is about 3497.2988147998. The cubic root of 12231099 is about 230.4031932247.

The spelling of 12231099 in words is "twelve million, two hundred thirty-one thousand, ninety-nine".