12212122110120 has 48 divisors (see below), whose sum is σ = 39689396859060. Its totient is φ = 3256565895936.

The previous prime is 12212122110119. The next prime is 12212122110157. The reversal of 12212122110120 is 2101122121221.

12212122110120 is a `hidden beast` number, since 1 + 221 + 212 + 2 + 110 + 120 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12211376492484 + 745617636 = 3494478^2 + 27306^2 .

It is a super-2 number, since 2×12212122110120² (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 a junction number, because it is equal to n+sod(n) for n = 12212122110093 and 12212122110102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16961280349 + ... + 16961281068.

Almost surely, 2^{12212122110120} is an apocalyptic number.

12212122110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212122110120 is an abundant number, since it is smaller than the sum of its proper divisors (27477274748940).

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

12212122110120 is a wasteful number, since it uses less digits than its factorization.

12212122110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33922561434 (or 33922561427 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212122110120 its reverse (2101122121221), we get a palindrome (14313244231341).

The spelling of 12212122110120 in words is "twelve trillion, two hundred twelve billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty".