100100200212 has 72 divisors (see below), whose sum is σ = 255761041536. Its totient is φ = 33007431744.

The previous prime is 100100200181. The next prime is 100100200253. The reversal of 100100200212 is 212002001001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100100200194 and 100100200203.

It is a congruent number.

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, 3571678 + ... + 3599594.

It is an arithmetic number, because the mean of its divisors is an integer number (3552236688).

Almost surely, 2^100100200212 is an apocalyptic number.

100100200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100100200212 is an abundant number, since it is smaller than the sum of its proper divisors (155660841324).

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

100100200212 is a wasteful number, since it uses less digits than its factorization.

100100200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28997 (or 28992 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100100200212 its reverse (212002001001), we get a palindrome (312102201213).

The spelling of 100100200212 in words is "one hundred billion, one hundred million, two hundred thousand, two hundred twelve".