12031343402 has 8 divisors (see below), whose sum is σ = 19435247076. Its totient is φ = 5552927712.

The previous prime is 12031343399. The next prime is 12031343413. The reversal of 12031343402 is 20434313021.

It can be written as a sum of positive squares in 2 ways, for example, as 9362691121 + 2668652281 = 96761^2 + 51659^2 .

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

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, 231371963 + ... + 231372014.

Almost surely, 2^12031343402 is an apocalyptic number.

12031343402 is a deficient number, since it is larger than the sum of its proper divisors (7403903674).

12031343402 is a wasteful number, since it uses less digits than its factorization.

12031343402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462743992.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12031343402 its reverse (20434313021), we get a palindrome (32465656423).

The spelling of 12031343402 in words is "twelve billion, thirty-one million, three hundred forty-three thousand, four hundred two".