100222012201212 has 54 divisors (see below), whose sum is σ = 278463501773184. Its totient is φ = 30370306726320.

The previous prime is 100222012201153. The next prime is 100222012201219. The reversal of 100222012201212 is 212102210222001.

It is a happy number.

100222012201212 is a `hidden beast` number, since 10 + 0 + 2 + 220 + 1 + 220 + 1 + 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 not an unprimeable number, because it can be changed into a prime (100222012201219) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11503899708 + ... + 11503908419.

Almost surely, 2^{100222012201212} is an apocalyptic number.

100222012201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100222012201212 is an abundant number, since it is smaller than the sum of its proper divisors (178241489571972).

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

100222012201212 is a wasteful number, since it uses less digits than its factorization.

100222012201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23007808159 (or 23007808143 counting only the distinct ones).

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

Adding to 100222012201212 its reverse (212102210222001), we get a palindrome (312324222423213).

The spelling of 100222012201212 in words is "one hundred trillion, two hundred twenty-two billion, twelve million, two hundred one thousand, two hundred twelve".