12303304402 has 8 divisors (see below), whose sum is σ = 18455906700. Its totient is φ = 6151335504.

The previous prime is 12303304393. The next prime is 12303304411. The reversal of 12303304402 is 20440330321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12303304393) and next prime (12303304411).

It can be written as a sum of positive squares in 2 ways, for example, as 12303024561 + 279841 = 110919^2 + 529^2 .

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, 106377 + ... + 189532.

Almost surely, 2^12303304402 is an apocalyptic number.

12303304402 is a deficient number, since it is larger than the sum of its proper divisors (6152602298).

12303304402 is a wasteful number, since it uses less digits than its factorization.

12303304402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316700.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 12303304402 its reverse (20440330321), we get a palindrome (32743634723).

The spelling of 12303304402 in words is "twelve billion, three hundred three million, three hundred four thousand, four hundred two".