12331001442 has 64 divisors (see below), whose sum is σ = 26610249600. Its totient is φ = 3795517440.

The previous prime is 12331001401. The next prime is 12331001443. The reversal of 12331001442 is 24410013321.

It is not an unprimeable number, because it can be changed into a prime (12331001443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1184034 + ... + 1194402.

It is an arithmetic number, because the mean of its divisors is an integer number (415785150).

Almost surely, 2^12331001442 is an apocalyptic number.

12331001442 is an abundant number, since it is smaller than the sum of its proper divisors (14279248158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12331001442 is a wasteful number, since it uses less digits than its factorization.

12331001442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12331001442 its reverse (24410013321), we get a palindrome (36741014763).

The spelling of 12331001442 in words is "twelve billion, three hundred thirty-one million, one thousand, four hundred forty-two".