100210221212 has 6 divisors (see below), whose sum is σ = 175367887128. Its totient is φ = 50105110604.

The previous prime is 100210221187. The next prime is 100210221233. The reversal of 100210221212 is 212122012001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12526277648 + ... + 12526277655.

It is an arithmetic number, because the mean of its divisors is an integer number (29227981188).

Almost surely, 2^100210221212 is an apocalyptic number.

It is an amenable number.

100210221212 is a deficient number, since it is larger than the sum of its proper divisors (75157665916).

100210221212 is a wasteful number, since it uses less digits than its factorization.

100210221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25052555307 (or 25052555305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100210221212 its reverse (212122012001), we get a palindrome (312332233213).

The spelling of 100210221212 in words is "one hundred billion, two hundred ten million, two hundred twenty-one thousand, two hundred twelve".