100223312212 has 12 divisors (see below), whose sum is σ = 176729658336. Its totient is φ = 49729124120.

The previous prime is 100223312209. The next prime is 100223312239. The reversal of 100223312212 is 212213322001.

It is a self number, because there is not a number n which added to its sum of digits gives 100223312212.

It is a congruent 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, 95632408 + ... + 95633455.

It is an arithmetic number, because the mean of its divisors is an integer number (14727471528).

Almost surely, 2^100223312212 is an apocalyptic number.

It is an amenable number.

100223312212 is a deficient number, since it is larger than the sum of its proper divisors (76506346124).

100223312212 is a wasteful number, since it uses less digits than its factorization.

100223312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191265998 (or 191265996 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100223312212 its reverse (212213322001), we get a palindrome (312436634213).

The spelling of 100223312212 in words is "one hundred billion, two hundred twenty-three million, three hundred twelve thousand, two hundred twelve".