12312497744 has 10 divisors (see below), whose sum is σ = 23855464410. Its totient is φ = 6156248864.

The previous prime is 12312497713. The next prime is 12312497789. The reversal of 12312497744 is 44779421321.

It can be written as a sum of positive squares in only one way, i.e., 11863566400 + 448931344 = 108920^2 + 21188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12312497695 and 12312497704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384765539 + ... + 384765570.

It is an arithmetic number, because the mean of its divisors is an integer number (2385546441).

Almost surely, 2^12312497744 is an apocalyptic number.

It is an amenable number.

12312497744 is a deficient number, since it is larger than the sum of its proper divisors (11542966666).

12312497744 is an equidigital number, since it uses as much as digits as its factorization.

12312497744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769531117 (or 769531111 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The spelling of 12312497744 in words is "twelve billion, three hundred twelve million, four hundred ninety-seven thousand, seven hundred forty-four".