12220112103210 has 144 divisors (see below), whose sum is σ = 35495776953000. Its totient is φ = 2913886483200.

The previous prime is 12220112103187. The next prime is 12220112103211. The reversal of 12220112103210 is 1230121102221.

12220112103210 is a `hidden beast` number, since 1 + 2 + 220 + 1 + 121 + 0 + 321 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6029465517009 + 6190646586201 = 2455497^2 + 2488101^2 .

It is a super-2 number, since 2×12220112103210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12220112103211) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8533585 + ... + 9862164.

Almost surely, 2^{12220112103210} is an apocalyptic number.

12220112103210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220112103210 is an abundant number, since it is smaller than the sum of its proper divisors (23275664849790).

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

12220112103210 is a wasteful number, since it uses less digits than its factorization.

12220112103210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18395845 (or 18395831 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12220112103210 its reverse (1230121102221), we get a palindrome (13450233205431).

The spelling of 12220112103210 in words is "twelve trillion, two hundred twenty billion, one hundred twelve million, one hundred three thousand, two hundred ten".