100100200120212 has 48 divisors (see below), whose sum is σ = 241628955321600. Its totient is φ = 32215118678400.

The previous prime is 100100200120139. The next prime is 100100200120273. The reversal of 100100200120212 is 212021002001001.

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

It is a congruent number.

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, 6223614 + ... + 15457482.

It is an arithmetic number, because the mean of its divisors is an integer number (5033936569200).

Almost surely, 2^{100100200120212} is an apocalyptic number.

100100200120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100100200120212 is an abundant number, since it is smaller than the sum of its proper divisors (141528755201388).

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

100100200120212 is a wasteful number, since it uses less digits than its factorization.

100100200120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9265056 (or 9265054 counting only the distinct ones).

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

Adding to 100100200120212 its reverse (212021002001001), we get a palindrome (312121202121213).

The spelling of 100100200120212 in words is "one hundred trillion, one hundred billion, two hundred million, one hundred twenty thousand, two hundred twelve".