12011022100120 has 32 divisors (see below), whose sum is σ = 27350399729520. Its totient is φ = 4746524394880.

The previous prime is 12011022100111. The next prime is 12011022100169. The reversal of 12011022100120 is 2100122011021.

It is a self number, because there is not a number n which added to its sum of digits gives 12011022100120.

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, 1808885551 + ... + 1808892190.

Almost surely, 2^{12011022100120} is an apocalyptic number.

12011022100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011022100120 is an abundant number, since it is smaller than the sum of its proper divisors (15339377629400).

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

12011022100120 is a wasteful number, since it uses less digits than its factorization.

12011022100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617777835 (or 3617777831 counting only the distinct ones).

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

Adding to 12011022100120 its reverse (2100122011021), we get a palindrome (14111144111141).

The spelling of 12011022100120 in words is "twelve trillion, eleven billion, twenty-two million, one hundred thousand, one hundred twenty".