12313221330 has 16 divisors (see below), whose sum is σ = 29551731264. Its totient is φ = 3283525680.

The previous prime is 12313221313. The next prime is 12313221337. The reversal of 12313221330 is 3312231321.

It is a junction number, because it is equal to n+sod(n) for n = 12313221297 and 12313221306.

It is not an unprimeable number, because it can be changed into a prime (12313221337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205220326 + ... + 205220385.

It is an arithmetic number, because the mean of its divisors is an integer number (1846983204).

Almost surely, 2^12313221330 is an apocalyptic number.

12313221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12313221330 is an abundant number, since it is smaller than the sum of its proper divisors (17238509934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12313221330 is a wasteful number, since it uses less digits than its factorization.

12313221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410440721.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12313221330 its reverse (3312231321), we get a palindrome (15625452651).

Subtracting from 12313221330 its reverse (3312231321), we obtain a palindrome (9000990009).

The spelling of 12313221330 in words is "twelve billion, three hundred thirteen million, two hundred twenty-one thousand, three hundred thirty".