12220999795 has 4 divisors (see below), whose sum is σ = 14665199760. Its totient is φ = 9776799832.

The previous prime is 12220999793. The next prime is 12220999811. The reversal of 12220999795 is 59799902221.

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 12220999795 - 2¹ = 12220999793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220999793) 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, 1222099975 + ... + 1222099984.

It is an arithmetic number, because the mean of its divisors is an integer number (3666299940).

Almost surely, 2^12220999795 is an apocalyptic number.

12220999795 is a deficient number, since it is larger than the sum of its proper divisors (2444199965).

12220999795 is an equidigital number, since it uses as much as digits as its factorization.

12220999795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444199964.

The product of its (nonzero) digits is 1837080, while the sum is 55.

The spelling of 12220999795 in words is "twelve billion, two hundred twenty million, nine hundred ninety-nine thousand, seven hundred ninety-five".