12201320999 has 12 divisors (see below), whose sum is σ = 14195172384. Its totient is φ = 10456949664.

The previous prime is 12201320983. The next prime is 12201321001. The reversal of 12201320999 is 99902310221.

It is not a de Polignac number, because 12201320999 - 2⁴ = 12201320983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201320399) 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, 763202 + ... + 779024.

It is an arithmetic number, because the mean of its divisors is an integer number (1182931032).

Almost surely, 2^12201320999 is an apocalyptic number.

12201320999 is a deficient number, since it is larger than the sum of its proper divisors (1993851385).

12201320999 is a wasteful number, since it uses less digits than its factorization.

12201320999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31574 (or 31567 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 12201320999 in words is "twelve billion, two hundred one million, three hundred twenty thousand, nine hundred ninety-nine".