100211233212 has 24 divisors (see below), whose sum is σ = 259806901200. Its totient is φ = 33403744368.

The previous prime is 100211233181. The next prime is 100211233229. The reversal of 100211233212 is 212332112001.

100211233212 is a `hidden beast` number, since 10 + 0 + 211 + 233 + 212 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463940787 + ... + 463941002.

It is an arithmetic number, because the mean of its divisors is an integer number (10825287550).

Almost surely, 2^100211233212 is an apocalyptic number.

100211233212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100211233212 is an abundant number, since it is smaller than the sum of its proper divisors (159595667988).

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

100211233212 is a wasteful number, since it uses less digits than its factorization.

100211233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927881802 (or 927881794 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 100211233212 its reverse (212332112001), we get a palindrome (312543345213).

The spelling of 100211233212 in words is "one hundred billion, two hundred eleven million, two hundred thirty-three thousand, two hundred twelve".