12020020220120 has 128 divisors (see below), whose sum is σ = 29534596358400. Its totient is φ = 4366340160000.

The previous prime is 12020020220119. The next prime is 12020020220177. The reversal of 12020020220120 is 2102202002021.

It is a junction number, because it is equal to n+sod(n) for n = 12020020220095 and 12020020220104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2842282166 + ... + 2842286394.

It is an arithmetic number, because the mean of its divisors is an integer number (230739034050).

Almost surely, 2^{12020020220120} is an apocalyptic number.

12020020220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020020220120 is an abundant number, since it is smaller than the sum of its proper divisors (17514576138280).

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

12020020220120 is a wasteful number, since it uses less digits than its factorization.

12020020220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9489 (or 9485 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12020020220120 its reverse (2102202002021), we get a palindrome (14122222222141).

The spelling of 12020020220120 in words is "twelve trillion, twenty billion, twenty million, two hundred twenty thousand, one hundred twenty".