12022321023 has 16 divisors (see below), whose sum is σ = 18225053440. Its totient is φ = 7828487352.

The previous prime is 12022321019. The next prime is 12022321057. The reversal of 12022321023 is 32012322021.

It is not a de Polignac number, because 12022321023 - 2² = 12022321019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12022320987 and 12022321005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022321123) 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, 5176411 + ... + 5178732.

It is an arithmetic number, because the mean of its divisors is an integer number (1139065840).

Almost surely, 2^12022321023 is an apocalyptic number.

12022321023 is a deficient number, since it is larger than the sum of its proper divisors (6202732417).

12022321023 is a wasteful number, since it uses less digits than its factorization.

12022321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10355195 (or 10355189 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12022321023 its reverse (32012322021), we get a palindrome (44034643044).

It can be divided in two parts, 120223 and 21023, that added together give a triangular number (141246 = T₅₃₁).

The spelling of 12022321023 in words is "twelve billion, twenty-two million, three hundred twenty-one thousand, twenty-three".