20112232199971 has 2 divisors, whose sum is σ = 20112232199972. Its totient is φ = 20112232199970.

The previous prime is 20112232199909. The next prime is 20112232200041. The reversal of 20112232199971 is 17999123221102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112232199971 - 2²⁹ = 20111695329059 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112232199771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056116099985 + 10056116099986.

It is an arithmetic number, because the mean of its divisors is an integer number (10056116099986).

Almost surely, 2^{20112232199971} is an apocalyptic number.

20112232199971 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112232199971 is an equidigital number, since it uses as much as digits as its factorization.

20112232199971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 49.

The spelling of 20112232199971 in words is "twenty trillion, one hundred twelve billion, two hundred thirty-two million, one hundred ninety-nine thousand, nine hundred seventy-one".