100201221212212 has 12 divisors (see below), whose sum is σ = 178226762320516. Its totient is φ = 49279289120640.

The previous prime is 100201221212159. The next prime is 100201221212221. The reversal of 100201221212212 is 212212122102001.

It can be written as a sum of positive squares in 2 ways, for example, as 30786562462096 + 69414658750116 = 5548564^2 + 8331546^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100201221212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205330371093 + ... + 205330371580.

Almost surely, 2^{100201221212212} is an apocalyptic number.

It is an amenable number.

100201221212212 is a deficient number, since it is larger than the sum of its proper divisors (78025541108304).

100201221212212 is a wasteful number, since it uses less digits than its factorization.

100201221212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410660742738 (or 410660742736 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100201221212212 its reverse (212212122102001), we get a palindrome (312413343314213).

The spelling of 100201221212212 in words is "one hundred trillion, two hundred one billion, two hundred twenty-one million, two hundred twelve thousand, two hundred twelve".