12220121230310 has 96 divisors (see below), whose sum is σ = 25845349365792. Its totient is φ = 4147539379200.

The previous prime is 12220121230297. The next prime is 12220121230337. The reversal of 12220121230310 is 1303212102221.

It is a super-2 number, since 2×12220121230310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330228269 + ... + 330265271.

It is an arithmetic number, because the mean of its divisors is an integer number (269222389227).

Almost surely, 2^{12220121230310} is an apocalyptic number.

12220121230310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220121230310 is an abundant number, since it is smaller than the sum of its proper divisors (13625228135482).

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

12220121230310 is a wasteful number, since it uses less digits than its factorization.

12220121230310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43798 (or 43791 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12220121230310 its reverse (1303212102221), we get a palindrome (13523333332531).

The spelling of 12220121230310 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, two hundred thirty thousand, three hundred ten".