100201020221212 has 12 divisors (see below), whose sum is σ = 176018522215536. Its totient is φ = 49910013873920.

The previous prime is 100201020221083. The next prime is 100201020221213. The reversal of 100201020221212 is 212122020102001.

It is a happy number.

It is a super-2 number, since 2×100201020221212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100201020221213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47624057989 + ... + 47624060092.

It is an arithmetic number, because the mean of its divisors is an integer number (14668210184628).

Almost surely, 2^{100201020221212} is an apocalyptic number.

It is an amenable number.

100201020221212 is a deficient number, since it is larger than the sum of its proper divisors (75817501994324).

100201020221212 is a wasteful number, since it uses less digits than its factorization.

100201020221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95248118348 (or 95248118346 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100201020221212 its reverse (212122020102001), we get a palindrome (312323040323213).

The spelling of 100201020221212 in words is "one hundred trillion, two hundred one billion, twenty million, two hundred twenty-one thousand, two hundred twelve".