12220221212110 has 32 divisors (see below), whose sum is σ = 22011591628800. Its totient is φ = 4884712617120.

The previous prime is 12220221212099. The next prime is 12220221212131. The reversal of 12220221212110 is 1121212202221.

It is a super-2 number, since 2×12220221212110² (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 15 ways as a sum of consecutive naturals, for example, 411842575 + ... + 411872245.

It is an arithmetic number, because the mean of its divisors is an integer number (687862238400).

Almost surely, 2^{12220221212110} is an apocalyptic number.

12220221212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220221212110 is a deficient number, since it is larger than the sum of its proper divisors (9791370416690).

12220221212110 is a wasteful number, since it uses less digits than its factorization.

12220221212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56736.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12220221212110 its reverse (1121212202221), we get a palindrome (13341433414331).

The spelling of 12220221212110 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, two hundred twelve thousand, one hundred ten".