100100120222212 has 12 divisors (see below), whose sum is σ = 191100229515216. Its totient is φ = 45500054646440.

The previous prime is 100100120222191. The next prime is 100100120222281. The reversal of 100100120222212 is 212222021001001.

It is a happy 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, 1137501366118 + ... + 1137501366205.

It is an arithmetic number, because the mean of its divisors is an integer number (15925019126268).

Almost surely, 2^{100100120222212} is an apocalyptic number.

It is an amenable number.

100100120222212 is a deficient number, since it is larger than the sum of its proper divisors (91000109293004).

100100120222212 is a wasteful number, since it uses less digits than its factorization.

100100120222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275002732338 (or 2275002732336 counting only the distinct ones).

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

Adding to 100100120222212 its reverse (212222021001001), we get a palindrome (312322141223213).

The spelling of 100100120222212 in words is "one hundred trillion, one hundred billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twelve".