12220196015917 has 2 divisors, whose sum is σ = 12220196015918. Its totient is φ = 12220196015916.

The previous prime is 12220196015899. The next prime is 12220196015927. The reversal of 12220196015917 is 71951069102221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11230447606596 + 989748409321 = 3351186^2 + 994861^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220196015917 - 2²³ = 12220187627309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220196015927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110098007958 + 6110098007959.

It is an arithmetic number, because the mean of its divisors is an integer number (6110098007959).

Almost surely, 2^{12220196015917} is an apocalyptic number.

It is an amenable number.

12220196015917 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220196015917 is an equidigital number, since it uses as much as digits as its factorization.

12220196015917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 12220196015917 in words is "twelve trillion, two hundred twenty billion, one hundred ninety-six million, fifteen thousand, nine hundred seventeen".