12316436444 has 12 divisors (see below), whose sum is σ = 23211745704. Its totient is φ = 5684509104.

The previous prime is 12316436423. The next prime is 12316436453. The reversal of 12316436444 is 44463461321.

It is a junction number, because it is equal to n+sod(n) for n = 12316436398 and 12316436407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118427222 + ... + 118427325.

It is an arithmetic number, because the mean of its divisors is an integer number (1934312142).

Almost surely, 2^12316436444 is an apocalyptic number.

It is an amenable number.

12316436444 is a deficient number, since it is larger than the sum of its proper divisors (10895309260).

12316436444 is a wasteful number, since it uses less digits than its factorization.

12316436444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236854564 (or 236854562 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

Adding to 12316436444 its reverse (44463461321), we get a palindrome (56779897765).

The spelling of 12316436444 in words is "twelve billion, three hundred sixteen million, four hundred thirty-six thousand, four hundred forty-four".