12312311330 has 32 divisors (see below), whose sum is σ = 24193788480. Its totient is φ = 4474077120.

The previous prime is 12312311329. The next prime is 12312311359. The reversal of 12312311330 is 3311321321.

It is a super-3 number, since 3×12312311330³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122132 + ... + 198848.

It is an arithmetic number, because the mean of its divisors is an integer number (756055890).

Almost surely, 2^12312311330 is an apocalyptic number.

12312311330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312311330 is a deficient number, since it is larger than the sum of its proper divisors (11881477150).

12312311330 is a wasteful number, since it uses less digits than its factorization.

12312311330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78194.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12312311330 its reverse (3311321321), we get a palindrome (15623632651).

Subtracting from 12312311330 its reverse (3311321321), we obtain a palindrome (9000990009).

The spelling of 12312311330 in words is "twelve billion, three hundred twelve million, three hundred eleven thousand, three hundred thirty".