12221010010120 has 32 divisors (see below), whose sum is σ = 28445454336600. Its totient is φ = 4719838348288.

The previous prime is 12221010010103. The next prime is 12221010010189. The reversal of 12221010010120 is 2101001012221.

It can be written as a sum of positive squares in 4 ways, for example, as 8760167418564 + 3460842591556 = 2959758^2 + 1860334^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12221010010120.

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, 5267675569 + ... + 5267677888.

Almost surely, 2^{12221010010120} is an apocalyptic number.

12221010010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221010010120 is an abundant number, since it is smaller than the sum of its proper divisors (16224444326480).

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

12221010010120 is a wasteful number, since it uses less digits than its factorization.

12221010010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10535353497 (or 10535353493 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12221010010120 its reverse (2101001012221), we get a palindrome (14322011022341).

The spelling of 12221010010120 in words is "twelve trillion, two hundred twenty-one billion, ten million, ten thousand, one hundred twenty".