100223203312 has 40 divisors (see below), whose sum is σ = 203135547600. Its totient is φ = 47839959552.

The previous prime is 100223203309. The next prime is 100223203321. The reversal of 100223203312 is 213302322001.

It is a self number, because there is not a number n which added to its sum of digits gives 100223203312.

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, 1172178 + ... + 1254769.

It is an arithmetic number, because the mean of its divisors is an integer number (5078388690).

Almost surely, 2^100223203312 is an apocalyptic number.

It is an amenable number.

100223203312 is an abundant number, since it is smaller than the sum of its proper divisors (102912344288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100223203312 is a wasteful number, since it uses less digits than its factorization.

100223203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427073 (or 2427067 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 100223203312 its reverse (213302322001), we get a palindrome (313525525313).

The spelling of 100223203312 in words is "one hundred billion, two hundred twenty-three million, two hundred three thousand, three hundred twelve".