12331051 has 4 divisors (see below), whose sum is σ = 12389704. Its totient is φ = 12272400.

The previous prime is 12331049. The next prime is 12331063. The reversal of 12331051 is 15013321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12331051 - 2¹ = 12331049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29010 + ... + 29431.

It is an arithmetic number, because the mean of its divisors is an integer number (3097426).

Almost surely, 2^12331051 is an apocalyptic number.

12331051 is a deficient number, since it is larger than the sum of its proper divisors (58653).

12331051 is an equidigital number, since it uses as much as digits as its factorization.

12331051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58652.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 12331051 is about 3511.5596250099. The cubic root of 12331051 is about 231.0291062317.

Adding to 12331051 its reverse (15013321), we get a palindrome (27344372).

The spelling of 12331051 in words is "twelve million, three hundred thirty-one thousand, fifty-one".