12312497743 has 32 divisors (see below), whose sum is σ = 16340567040. Its totient is φ = 9003882240.

The previous prime is 12312497713. The next prime is 12312497789. The reversal of 12312497743 is 34779421321.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12312497743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12312497743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312497713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15955 + ... + 157732.

It is an arithmetic number, because the mean of its divisors is an integer number (510642720).

Almost surely, 2^12312497743 is an apocalyptic number.

12312497743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12312497743 is a deficient number, since it is larger than the sum of its proper divisors (4028069297).

12312497743 is a wasteful number, since it uses less digits than its factorization.

12312497743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173767.

The product of its digits is 254016, while the sum is 43.

The spelling of 12312497743 in words is "twelve billion, three hundred twelve million, four hundred ninety-seven thousand, seven hundred forty-three".