12040322304021 has 48 divisors (see below), whose sum is σ = 17830844351040. Its totient is φ = 7220755872000.

The previous prime is 12040322303897. The next prime is 12040322304041.

It is a happy number.

12040322304021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12040322304021 - 2¹⁰ = 12040322302997 is a prime.

It is a super-2 number, since 2×12040322304021² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12040322303982 and 12040322304000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040322304041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64176570 + ... + 64363908.

It is an arithmetic number, because the mean of its divisors is an integer number (371475923980).

Almost surely, 2^{12040322304021} is an apocalyptic number.

12040322304021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12040322304021 is a deficient number, since it is larger than the sum of its proper divisors (5790522047019).

12040322304021 is a wasteful number, since it uses less digits than its factorization.

12040322304021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189218 (or 189207 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 1204032 and 2304021, that added together give a palindrome (3508053).

The spelling of 12040322304021 in words is "twelve trillion, forty billion, three hundred twenty-two million, three hundred four thousand, twenty-one".