12210313232220 has 24 divisors (see below), whose sum is σ = 34188877050384. Its totient is φ = 3256083528576.

The previous prime is 12210313232213. The next prime is 12210313232237. The reversal of 12210313232220 is 2223231301221.

It is a super-2 number, since 2×12210313232220² (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 7 ways as a sum of consecutive naturals, for example, 101752610209 + ... + 101752610328.

It is an arithmetic number, because the mean of its divisors is an integer number (1424536543766).

Almost surely, 2^{12210313232220} is an apocalyptic number.

12210313232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210313232220 is an abundant number, since it is smaller than the sum of its proper divisors (21978563818164).

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

12210313232220 is a wasteful number, since it uses less digits than its factorization.

12210313232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203505220549 (or 203505220547 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12210313232220 its reverse (2223231301221), we get a palindrome (14433544533441).

The spelling of 12210313232220 in words is "twelve trillion, two hundred ten billion, three hundred thirteen million, two hundred thirty-two thousand, two hundred twenty".