12220220111999 has 4 divisors (see below), whose sum is σ = 12751534029936. Its totient is φ = 11688906194064.

The previous prime is 12220220111989. The next prime is 12220220112019. The reversal of 12220220111999 is 99911102202221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220220111999 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 (12220220111929) 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, 265656958934 + ... + 265656958979.

It is an arithmetic number, because the mean of its divisors is an integer number (3187883507484).

Almost surely, 2^{12220220111999} is an apocalyptic number.

12220220111999 is a deficient number, since it is larger than the sum of its proper divisors (531313917937).

12220220111999 is an equidigital number, since it uses as much as digits as its factorization.

12220220111999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531313917936.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 12220220111999 in words is "twelve trillion, two hundred twenty billion, two hundred twenty million, one hundred eleven thousand, nine hundred ninety-nine".