12220020021000 has 192 divisors, whose sum is σ = 41907600483840. Its totient is φ = 2962429008000.

The previous prime is 12220020020983. The next prime is 12220020021017. The reversal of 12220020021000 is 12002002221.

It is an interprime number because it is at equal distance from previous prime (12220020020983) and next prime (12220020021017).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16468984 + ... + 17194983.

It is an arithmetic number, because the mean of its divisors is an integer number (218268752520).

Almost surely, 2^{12220020021000} is an apocalyptic number.

12220020021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220020021000 is an abundant number, since it is smaller than the sum of its proper divisors (29687580462840).

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

12220020021000 is a wasteful number, since it uses less digits than its factorization.

12220020021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33664013 (or 33663988 counting only the distinct ones).

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

Adding to 12220020021000 its reverse (12002002221), we get a palindrome (12232022023221).

The spelling of 12220020021000 in words is "twelve trillion, two hundred twenty billion, twenty million, twenty-one thousand".