12220101000100 has 72 divisors (see below), whose sum is σ = 30395779406720. Its totient is φ = 4177316344320.

The previous prime is 12220101000083. The next prime is 12220101000113. The reversal of 12220101000100 is 100010102221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25665120 + ... + 26136919.

Almost surely, 2^{12220101000100} is an apocalyptic number.

12220101000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220101000100 is an abundant number, since it is smaller than the sum of its proper divisors (18175678406620).

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

12220101000100 is a wasteful number, since it uses less digits than its factorization.

12220101000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51802397 (or 51802390 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12220101000100 its reverse (100010102221), we get a palindrome (12320111102321).

The spelling of 12220101000100 in words is "twelve trillion, two hundred twenty billion, one hundred one million, one hundred", and thus it is an aban number.