12000221002020 has 96 divisors (see below), whose sum is σ = 35617695297408. Its totient is φ = 3008385718272.

The previous prime is 12000221001953. The next prime is 12000221002031. The reversal of 12000221002020 is 2020012200021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12000221001987 and 12000221002005.

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, 5812942 + ... + 7602021.

It is an arithmetic number, because the mean of its divisors is an integer number (371017659348).

Almost surely, 2^{12000221002020} is an apocalyptic number.

12000221002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000221002020 is an abundant number, since it is smaller than the sum of its proper divisors (23617474295388).

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

12000221002020 is a wasteful number, since it uses less digits than its factorization.

12000221002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13415869 (or 13415867 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12000221002020 its reverse (2020012200021), we get a palindrome (14020233202041).

The spelling of 12000221002020 in words is "twelve trillion, two hundred twenty-one million, two thousand, twenty".