12022632421 has 4 divisors (see below), whose sum is σ = 12191965344. Its totient is φ = 11853299500.

The previous prime is 12022632371. The next prime is 12022632449. The reversal of 12022632421 is 12423622021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12022632421 - 2¹⁷ = 12022501349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022632221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84666355 + ... + 84666496.

It is an arithmetic number, because the mean of its divisors is an integer number (3047991336).

Almost surely, 2^12022632421 is an apocalyptic number.

It is an amenable number.

12022632421 is a deficient number, since it is larger than the sum of its proper divisors (169332923).

12022632421 is an equidigital number, since it uses as much as digits as its factorization.

12022632421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169332922.

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 12022632421 in words is "twelve billion, twenty-two million, six hundred thirty-two thousand, four hundred twenty-one".