100321203212 has 12 divisors (see below), whose sum is σ = 183195240816. Its totient is φ = 47979705840.

The previous prime is 100321203211. The next prime is 100321203239. The reversal of 100321203212 is 212302123001.

100321203212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (100321203211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545223839 + ... + 545224022.

It is an arithmetic number, because the mean of its divisors is an integer number (15266270068).

Almost surely, 2^100321203212 is an apocalyptic number.

It is an amenable number.

100321203212 is a deficient number, since it is larger than the sum of its proper divisors (82874037604).

100321203212 is a wasteful number, since it uses less digits than its factorization.

100321203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090447888 (or 1090447886 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100321203212 its reverse (212302123001), we get a palindrome (312623326213).

The spelling of 100321203212 in words is "one hundred billion, three hundred twenty-one million, two hundred three thousand, two hundred twelve".