100100223212 has 18 divisors (see below), whose sum is σ = 192548157564. Its totient is φ = 45500101240.

The previous prime is 100100223193. The next prime is 100100223217. The reversal of 100100223212 is 212322001001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100100223217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103408838 + ... + 103409805.

Almost surely, 2^100100223212 is an apocalyptic number.

It is an amenable number.

100100223212 is a deficient number, since it is larger than the sum of its proper divisors (92447934352).

100100223212 is a wasteful number, since it uses less digits than its factorization.

100100223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206818669 (or 206818656 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100100223212 its reverse (212322001001), we get a palindrome (312422224213).

The spelling of 100100223212 in words is "one hundred billion, one hundred million, two hundred twenty-three thousand, two hundred twelve".