12220293791 has 2 divisors, whose sum is σ = 12220293792. Its totient is φ = 12220293790.

The previous prime is 12220293781. The next prime is 12220293803. The reversal of 12220293791 is 19739202221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12220293791 - 2⁶ = 12220293727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220293721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110146895 + 6110146896.

It is an arithmetic number, because the mean of its divisors is an integer number (6110146896).

Almost surely, 2^12220293791 is an apocalyptic number.

12220293791 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220293791 is an equidigital number, since it uses as much as digits as its factorization.

12220293791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 12220293791 in words is "twelve billion, two hundred twenty million, two hundred ninety-three thousand, seven hundred ninety-one".