12020020221120 has 112 divisors (see below), whose sum is σ = 38169817719648. Its totient is φ = 3204813496320.

The previous prime is 12020020221091. The next prime is 12020020221233. The reversal of 12020020221120 is 2112202002021.

It is a super-2 number, since 2×12020020221120² (a number of 27 digits) contains 22 as substring.

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 12020020221120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4853382 + ... + 6898938.

Almost surely, 2^{12020020221120} is an apocalyptic number.

12020020221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020020221120 is an abundant number, since it is smaller than the sum of its proper divisors (26149797498528).

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

12020020221120 is a wasteful number, since it uses less digits than its factorization.

12020020221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051698 (or 2051688 counting only the distinct ones).

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

Adding to 12020020221120 its reverse (2112202002021), we get a palindrome (14132222223141).

The spelling of 12020020221120 in words is "twelve trillion, twenty billion, twenty million, two hundred twenty-one thousand, one hundred twenty".