100223525212 has 12 divisors (see below), whose sum is σ = 181439140680. Its totient is φ = 48383770736.

The previous prime is 100223525197. The next prime is 100223525249. The reversal of 100223525212 is 212525322001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431997838 + ... + 431998069.

It is an arithmetic number, because the mean of its divisors is an integer number (15119928390).

Almost surely, 2^100223525212 is an apocalyptic number.

It is an amenable number.

100223525212 is a deficient number, since it is larger than the sum of its proper divisors (81215615468).

100223525212 is a wasteful number, since it uses less digits than its factorization.

100223525212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863995940 (or 863995938 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 100223525212 its reverse (212525322001), we get a palindrome (312748847213).

The spelling of 100223525212 in words is "one hundred billion, two hundred twenty-three million, five hundred twenty-five thousand, two hundred twelve".