12312301213320 has 32 divisors (see below), whose sum is σ = 36936903640320. Its totient is φ = 3283280323520.

The previous prime is 12312301213307. The next prime is 12312301213343. The reversal of 12312301213320 is 2331210321321.

It is a super-2 number, since 2×12312301213320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51301254936 + ... + 51301255175.

It is an arithmetic number, because the mean of its divisors is an integer number (1154278238760).

Almost surely, 2^{12312301213320} is an apocalyptic number.

12312301213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312301213320 is an abundant number, since it is smaller than the sum of its proper divisors (24624602427000).

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

12312301213320 is a wasteful number, since it uses less digits than its factorization.

12312301213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102602510125 (or 102602510121 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12312301213320 its reverse (2331210321321), we get a palindrome (14643511534641).

The spelling of 12312301213320 in words is "twelve trillion, three hundred twelve billion, three hundred one million, two hundred thirteen thousand, three hundred twenty".