100020201212 has 24 divisors (see below), whose sum is σ = 176852013072. Its totient is φ = 49492396800.

The previous prime is 100020201209. The next prime is 100020201221. The reversal of 100020201212 is 212102020001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100020201193 and 100020201202.

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, 131387 + ... + 466157.

It is an arithmetic number, because the mean of its divisors is an integer number (7368833878).

Almost surely, 2^100020201212 is an apocalyptic number.

It is an amenable number.

100020201212 is a deficient number, since it is larger than the sum of its proper divisors (76831811860).

100020201212 is a wasteful number, since it uses less digits than its factorization.

100020201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335549 (or 335547 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100020201212 its reverse (212102020001), we get a palindrome (312122221213).

The spelling of 100020201212 in words is "one hundred billion, twenty million, two hundred one thousand, two hundred twelve".