12432338746 has 4 divisors (see below), whose sum is σ = 18648508122. Its totient is φ = 6216169372.

The previous prime is 12432338729. The next prime is 12432338753. The reversal of 12432338746 is 64783323421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9665052721 + 2767286025 = 98311^2 + 52605^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108084685 + ... + 3108084688.

Almost surely, 2^12432338746 is an apocalyptic number.

12432338746 is a deficient number, since it is larger than the sum of its proper divisors (6216169376).

12432338746 is an equidigital number, since it uses as much as digits as its factorization.

12432338746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216169375.

The product of its digits is 580608, while the sum is 43.

The spelling of 12432338746 in words is "twelve billion, four hundred thirty-two million, three hundred thirty-eight thousand, seven hundred forty-six".