12220311203310 has 96 divisors (see below), whose sum is σ = 34305606814752. Its totient is φ = 2777781807360.

The previous prime is 12220311203299. The next prime is 12220311203363. The reversal of 12220311203310 is 1330211302221.

It is a super-2 number, since 2×12220311203310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

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, 22698397 + ... + 23230536.

It is an arithmetic number, because the mean of its divisors is an integer number (357350070987).

Almost surely, 2^{12220311203310} is an apocalyptic number.

12220311203310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220311203310 is an abundant number, since it is smaller than the sum of its proper divisors (22085295611442).

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

12220311203310 is a wasteful number, since it uses less digits than its factorization.

12220311203310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45929138 (or 45929131 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12220311203310 its reverse (1330211302221), we get a palindrome (13550522505531).

The spelling of 12220311203310 in words is "twelve trillion, two hundred twenty billion, three hundred eleven million, two hundred three thousand, three hundred ten".