12312032074 has 4 divisors (see below), whose sum is σ = 18468048114. Its totient is φ = 6156016036.

The previous prime is 12312032059. The next prime is 12312032123. The reversal of 12312032074 is 47023021321.

It is a happy number.

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., 8554955049 + 3757077025 = 92493^2 + 61295^2 .

It is a super-2 number, since 2×12312032074² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078008017 + ... + 3078008020.

Almost surely, 2^12312032074 is an apocalyptic number.

12312032074 is a deficient number, since it is larger than the sum of its proper divisors (6156016040).

12312032074 is an equidigital number, since it uses as much as digits as its factorization.

12312032074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156016039.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 12312032074 its reverse (47023021321), we get a palindrome (59335053395).

The spelling of 12312032074 in words is "twelve billion, three hundred twelve million, thirty-two thousand, seventy-four".