100233203121212 has 48 divisors (see below), whose sum is σ = 212304725696448. Its totient is φ = 40421403786240.

The previous prime is 100233203121197. The next prime is 100233203121217. The reversal of 100233203121212 is 212121302332001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100233203121217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20715239 + ... + 25091582.

It is an arithmetic number, because the mean of its divisors is an integer number (4423015118676).

Almost surely, 2^{100233203121212} is an apocalyptic number.

It is an amenable number.

100233203121212 is an abundant number, since it is smaller than the sum of its proper divisors (112071522575236).

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

100233203121212 is a wasteful number, since it uses less digits than its factorization.

100233203121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45811446 (or 45811444 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 100233203121212 its reverse (212121302332001), we get a palindrome (312354505453213).

The spelling of 100233203121212 in words is "one hundred trillion, two hundred thirty-three billion, two hundred three million, one hundred twenty-one thousand, two hundred twelve".