12220010999 has 4 divisors (see below), whose sum is σ = 13965726864. Its totient is φ = 10474295136.

The previous prime is 12220010977. The next prime is 12220011007. The reversal of 12220010999 is 99901002221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12220010999 - 2²⁰ = 12218962423 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 (12220010939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872857922 + ... + 872857935.

It is an arithmetic number, because the mean of its divisors is an integer number (3491431716).

Almost surely, 2^12220010999 is an apocalyptic number.

12220010999 is a deficient number, since it is larger than the sum of its proper divisors (1745715865).

12220010999 is an equidigital number, since it uses as much as digits as its factorization.

12220010999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745715864.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 12220010999 in words is "twelve billion, two hundred twenty million, ten thousand, nine hundred ninety-nine".