12210211000020 has 48 divisors (see below), whose sum is σ = 37296644511168. Its totient is φ = 2960051151360.

The previous prime is 12210210999989. The next prime is 12210211000049. The reversal of 12210211000020 is 2000011201221.

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

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, 9250159189 + ... + 9250160508.

It is an arithmetic number, because the mean of its divisors is an integer number (777013427316).

Almost surely, 2^{12210211000020} is an apocalyptic number.

12210211000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210211000020 is an abundant number, since it is smaller than the sum of its proper divisors (25086433511148).

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

12210211000020 is a wasteful number, since it uses less digits than its factorization.

12210211000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18500319720 (or 18500319718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12210211000020 its reverse (2000011201221), we get a palindrome (14210222201241).

The spelling of 12210211000020 in words is "twelve trillion, two hundred ten billion, two hundred eleven million, twenty", and thus it is an aban number.