12310332211220 has 48 divisors (see below), whose sum is σ = 27142286855040. Its totient is φ = 4683374957184.

The previous prime is 12310332211193. The next prime is 12310332211271. The reversal of 12310332211220 is 2211223301321.

It is a congruent number.

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, 158354504 + ... + 158432223.

It is an arithmetic number, because the mean of its divisors is an integer number (565464309480).

Almost surely, 2^{12310332211220} is an apocalyptic number.

12310332211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310332211220 is an abundant number, since it is smaller than the sum of its proper divisors (14831954643820).

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

12310332211220 is a wasteful number, since it uses less digits than its factorization.

12310332211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316786832 (or 316786830 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12310332211220 its reverse (2211223301321), we get a palindrome (14521555512541).

The spelling of 12310332211220 in words is "twelve trillion, three hundred ten billion, three hundred thirty-two million, two hundred eleven thousand, two hundred twenty".