203212133112 has 32 divisors (see below), whose sum is σ = 508316331600. Its totient is φ = 67699244544.

The previous prime is 203212133107. The next prime is 203212133143. The reversal of 203212133112 is 211331212302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2339787 + ... + 2425082.

Almost surely, 2^203212133112 is an apocalyptic number.

It is an amenable number.

203212133112 is an abundant number, since it is smaller than the sum of its proper divisors (305104198488).

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

203212133112 is a wasteful number, since it uses less digits than its factorization.

203212133112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766655 (or 4766651 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 203212133112 its reverse (211331212302), we get a palindrome (414543345414).

The spelling of 203212133112 in words is "two hundred three billion, two hundred twelve million, one hundred thirty-three thousand, one hundred twelve".