12002332331 has 16 divisors (see below), whose sum is σ = 13377858048. Its totient is φ = 10674410400.

The previous prime is 12002332297. The next prime is 12002332379. The reversal of 12002332331 is 13323320021.

It is a cyclic number.

It is not a de Polignac number, because 12002332331 - 2¹⁴ = 12002315947 is a prime.

It is a super-2 number, since 2×12002332331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002322331) 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, 1823276 + ... + 1829846.

It is an arithmetic number, because the mean of its divisors is an integer number (836116128).

Almost surely, 2^12002332331 is an apocalyptic number.

12002332331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12002332331 is a deficient number, since it is larger than the sum of its proper divisors (1375525717).

12002332331 is a wasteful number, since it uses less digits than its factorization.

12002332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10162.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12002332331 its reverse (13323320021), we get a palindrome (25325652352).

The spelling of 12002332331 in words is "twelve billion, two million, three hundred thirty-two thousand, three hundred thirty-one".