100212200122122 has 32 divisors (see below), whose sum is σ = 242938666964160. Its totient is φ = 30367333370160.

The previous prime is 100212200122079. The next prime is 100212200122163. The reversal of 100212200122122 is 221221002212001.

It is a happy number.

100212200122122 is a `hidden beast` number, since 10 + 0 + 212 + 200 + 1 + 221 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100212200122095 and 100212200122104.

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, 84353703213 + ... + 84353704400.

It is an arithmetic number, because the mean of its divisors is an integer number (7591833342630).

Almost surely, 2^{100212200122122} is an apocalyptic number.

100212200122122 is an abundant number, since it is smaller than the sum of its proper divisors (142726466842038).

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

100212200122122 is a wasteful number, since it uses less digits than its factorization.

100212200122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168707407635 (or 168707407629 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100212200122122 its reverse (221221002212001), we get a palindrome (321433202334123).

The spelling of 100212200122122 in words is "one hundred trillion, two hundred twelve billion, two hundred million, one hundred twenty-two thousand, one hundred twenty-two".