100133023212 has 72 divisors (see below), whose sum is σ = 268070218416. Its totient is φ = 31406413824.

The previous prime is 100133023157. The next prime is 100133023253. The reversal of 100133023212 is 212320331001.

100133023212 is a `hidden beast` number, since 10 + 0 + 1 + 330 + 2 + 321 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2725348 + ... + 2761844.

It is an arithmetic number, because the mean of its divisors is an integer number (3723197478).

Almost surely, 2^100133023212 is an apocalyptic number.

100133023212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100133023212 is an abundant number, since it is smaller than the sum of its proper divisors (167937195204).

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

100133023212 is a wasteful number, since it uses less digits than its factorization.

100133023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41007 (or 41002 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100133023212 its reverse (212320331001), we get a palindrome (312453354213).

The spelling of 100133023212 in words is "one hundred billion, one hundred thirty-three million, twenty-three thousand, two hundred twelve".