100120120212 has 48 divisors (see below), whose sum is σ = 282692108160. Its totient is φ = 26923057152.

The previous prime is 100120120159. The next prime is 100120120213. The reversal of 100120120212 is 212021021001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120120213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35054637 + ... + 35057492.

It is an arithmetic number, because the mean of its divisors is an integer number (5889418920).

Almost surely, 2^100120120212 is an apocalyptic number.

100120120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100120120212 is an abundant number, since it is smaller than the sum of its proper divisors (182571987948).

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

100120120212 is a wasteful number, since it uses less digits than its factorization.

100120120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70112160 (or 70112158 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100120120212 its reverse (212021021001), we get a palindrome (312141141213).

The spelling of 100120120212 in words is "one hundred billion, one hundred twenty million, one hundred twenty thousand, two hundred twelve".