12310133221220 has 24 divisors (see below), whose sum is σ = 26237119763904. Its totient is φ = 4850559955296.

The previous prime is 12310133221207. The next prime is 12310133221229. The reversal of 12310133221220 is 2212233101321.

It is not an unprimeable number, because it can be changed into a prime (12310133221229) 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, 4593331952 + ... + 4593334631.

It is an arithmetic number, because the mean of its divisors is an integer number (1093213323496).

Almost surely, 2^{12310133221220} is an apocalyptic number.

12310133221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310133221220 is an abundant number, since it is smaller than the sum of its proper divisors (13926986542684).

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

12310133221220 is a wasteful number, since it uses less digits than its factorization.

12310133221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9186666659 (or 9186666657 counting only the distinct ones).

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

Adding to 12310133221220 its reverse (2212233101321), we get a palindrome (14522366322541).

The spelling of 12310133221220 in words is "twelve trillion, three hundred ten billion, one hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty".