12220200020100 has 144 divisors (see below), whose sum is σ = 38143300422528. Its totient is φ = 3009162024960.

The previous prime is 12220200020059. The next prime is 12220200020143. The reversal of 12220200020100 is 102000202221.

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 47 ways as a sum of consecutive naturals, for example, 22334584 + ... + 22875183.

It is an arithmetic number, because the mean of its divisors is an integer number (264884030712).

Almost surely, 2^{12220200020100} is an apocalyptic number.

12220200020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220200020100 is an abundant number, since it is smaller than the sum of its proper divisors (25923100402428).

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

12220200020100 is a wasteful number, since it uses less digits than its factorization.

12220200020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45209854 (or 45209847 counting only the distinct ones).

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

Adding to 12220200020100 its reverse (102000202221), we get a palindrome (12322200222321).

The spelling of 12220200020100 in words is "twelve trillion, two hundred twenty billion, two hundred million, twenty thousand, one hundred".