100223022312 has 96 divisors (see below), whose sum is σ = 312656947200. Its totient is φ = 28409657472.

The previous prime is 100223022311. The next prime is 100223022343. The reversal of 100223022312 is 213220322001.

100223022312 is a `hidden beast` number, since 100 + 2 + 230 + 22 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100223022311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 718887 + ... + 846902.

It is an arithmetic number, because the mean of its divisors is an integer number (3256843200).

Almost surely, 2^100223022312 is an apocalyptic number.

100223022312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100223022312 is an abundant number, since it is smaller than the sum of its proper divisors (212433924888).

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

100223022312 is a wasteful number, since it uses less digits than its factorization.

100223022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565935 (or 1565928 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 100223022312 its reverse (213220322001), we get a palindrome (313443344313).

The spelling of 100223022312 in words is "one hundred billion, two hundred twenty-three million, twenty-two thousand, three hundred twelve".