12374332646 has 8 divisors (see below), whose sum is σ = 19989306624. Its totient is φ = 5711230440.

The previous prime is 12374332627. The next prime is 12374332669. The reversal of 12374332646 is 64623347321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12374332646² (a number of 21 digits) contains 22 as substring.

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, 237967910 + ... + 237967961.

It is an arithmetic number, because the mean of its divisors is an integer number (2498663328).

Almost surely, 2^12374332646 is an apocalyptic number.

12374332646 is a deficient number, since it is larger than the sum of its proper divisors (7614973978).

12374332646 is a wasteful number, since it uses less digits than its factorization.

12374332646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475935886.

The product of its digits is 435456, while the sum is 41.

Adding to 12374332646 its reverse (64623347321), we get a palindrome (76997679967).

The spelling of 12374332646 in words is "twelve billion, three hundred seventy-four million, three hundred thirty-two thousand, six hundred forty-six".