12220020011971 has 2 divisors, whose sum is σ = 12220020011972. Its totient is φ = 12220020011970.

The previous prime is 12220020011959. The next prime is 12220020012103. The reversal of 12220020011971 is 17911002002221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12220020011971 - 2²⁹ = 12219483141059 is a prime.

It is not a weakly prime, because it can be changed into another prime (12220020011471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110010005985 + 6110010005986.

It is an arithmetic number, because the mean of its divisors is an integer number (6110010005986).

Almost surely, 2^{12220020011971} is an apocalyptic number.

12220020011971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220020011971 is an equidigital number, since it uses as much as digits as its factorization.

12220020011971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 12220020011971 in words is "twelve trillion, two hundred twenty billion, twenty million, eleven thousand, nine hundred seventy-one".