12312202330 has 32 divisors (see below), whose sum is σ = 22352780736. Its totient is φ = 4882571904.

The previous prime is 12312202319. The next prime is 12312202339. The reversal of 12312202330 is 3320221321.

It is a junction number, because it is equal to n+sod(n) for n = 12312202298 and 12312202307.

It is not an unprimeable number, because it can be changed into a prime (12312202339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1127557 + ... + 1138423.

It is an arithmetic number, because the mean of its divisors is an integer number (698524398).

Almost surely, 2^12312202330 is an apocalyptic number.

12312202330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312202330 is a deficient number, since it is larger than the sum of its proper divisors (10040578406).

12312202330 is a wasteful number, since it uses less digits than its factorization.

12312202330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11838.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12312202330 its reverse (3320221321), we get a palindrome (15632423651).

The spelling of 12312202330 in words is "twelve billion, three hundred twelve million, two hundred two thousand, three hundred thirty".