100203203212 has 24 divisors (see below), whose sum is σ = 200414882304. Its totient is φ = 42942413712.

The previous prime is 100203203203. The next prime is 100203203231. The reversal of 100203203212 is 212302302001.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 760143 + ... + 882169.

It is an arithmetic number, because the mean of its divisors is an integer number (8350620096).

Almost surely, 2^100203203212 is an apocalyptic number.

It is an amenable number.

100203203212 is an abundant number, since it is smaller than the sum of its proper divisors (100211679092).

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

100203203212 is a wasteful number, since it uses less digits than its factorization.

100203203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151365 (or 151363 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100203203212 its reverse (212302302001), we get a palindrome (312505505213).

The spelling of 100203203212 in words is "one hundred billion, two hundred three million, two hundred three thousand, two hundred twelve".