12422702021 has 16 divisors (see below), whose sum is σ = 13034624064. Its totient is φ = 11829210624.

The previous prime is 12422701981. The next prime is 12422702027. The reversal of 12422702021 is 12020722421.

It is a cyclic number.

It is not a de Polignac number, because 12422702021 - 2²⁶ = 12355593157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422702027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257231 + ... + 301683.

It is an arithmetic number, because the mean of its divisors is an integer number (814664004).

Almost surely, 2^12422702021 is an apocalyptic number.

It is an amenable number.

12422702021 is a deficient number, since it is larger than the sum of its proper divisors (611922043).

12422702021 is an equidigital number, since it uses as much as digits as its factorization.

12422702021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44660.

The product of its (nonzero) digits is 896, while the sum is 23.

The spelling of 12422702021 in words is "twelve billion, four hundred twenty-two million, seven hundred two thousand, twenty-one".