100200221212212 has 120 divisors (see below), whose sum is σ = 286133679179040. Its totient is φ = 30323592008640.

The previous prime is 100200221212207. The next prime is 100200221212243. The reversal of 100200221212212 is 212212122002001.

It is a happy number.

100200221212212 is a `hidden beast` number, since 1 + 0 + 0 + 20 + 0 + 221 + 212 + 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 39 ways as a sum of consecutive naturals, for example, 15871762 + ... + 21267657.

It is an arithmetic number, because the mean of its divisors is an integer number (2384447326492).

Almost surely, 2^{100200221212212} is an apocalyptic number.

100200221212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100200221212212 is an abundant number, since it is smaller than the sum of its proper divisors (185933457966828).

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

100200221212212 is a wasteful number, since it uses less digits than its factorization.

100200221212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37140203 (or 37140192 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100200221212212 its reverse (212212122002001), we get a palindrome (312412343214213).

The spelling of 100200221212212 in words is "one hundred trillion, two hundred billion, two hundred twenty-one million, two hundred twelve thousand, two hundred twelve".