12312332444 has 6 divisors (see below), whose sum is σ = 21546581784. Its totient is φ = 6156166220.

The previous prime is 12312332441. The next prime is 12312332447. The reversal of 12312332444 is 44423321321.

It is an interprime number because it is at equal distance from previous prime (12312332441) and next prime (12312332447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312332441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1539041552 + ... + 1539041559.

It is an arithmetic number, because the mean of its divisors is an integer number (3591096964).

Almost surely, 2^12312332444 is an apocalyptic number.

It is an amenable number.

12312332444 is a deficient number, since it is larger than the sum of its proper divisors (9234249340).

12312332444 is a wasteful number, since it uses less digits than its factorization.

12312332444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078083115 (or 3078083113 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 12312332444 its reverse (44423321321), we get a palindrome (56735653765).

The spelling of 12312332444 in words is "twelve billion, three hundred twelve million, three hundred thirty-two thousand, four hundred forty-four".