12220020000012 has 96 divisors (see below), whose sum is σ = 31351677896448. Its totient is φ = 3673827360000.

The previous prime is 12220019999969. The next prime is 12220020000059. The reversal of 12220020000012 is 21000002002221.

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

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, 9451087 + ... + 10665977.

It is an arithmetic number, because the mean of its divisors is an integer number (326579978088).

Almost surely, 2^{12220020000012} is an apocalyptic number.

12220020000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220020000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15675838948224).

12220020000012 is an abundant number, since it is smaller than the sum of its proper divisors (19131657896436).

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

12220020000012 is a wasteful number, since it uses less digits than its factorization.

12220020000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215511 (or 1215509 counting only the distinct ones).

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

Adding to 12220020000012 its reverse (21000002002221), we get a palindrome (33220022002233).

The spelling of 12220020000012 in words is "twelve trillion, two hundred twenty billion, twenty million, twelve", and thus it is an aban number.