12020221020120 has 64 divisors (see below), whose sum is σ = 36281894181120. Its totient is φ = 3185727283584.

The previous prime is 12020221020091. The next prime is 12020221020151. The reversal of 12020221020120 is 2102012202021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12020221020120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307245804 + ... + 307284923.

It is an arithmetic number, because the mean of its divisors is an integer number (566904596580).

Almost surely, 2^{12020221020120} is an apocalyptic number.

12020221020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020221020120 is an abundant number, since it is smaller than the sum of its proper divisors (24261673161000).

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

12020221020120 is a wasteful number, since it uses less digits than its factorization.

12020221020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614530904 (or 614530900 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12020221020120 its reverse (2102012202021), we get a palindrome (14122233222141).

The spelling of 12020221020120 in words is "twelve trillion, twenty billion, two hundred twenty-one million, twenty thousand, one hundred twenty".