203111332212 has 24 divisors (see below), whose sum is σ = 485485624512. Its totient is φ = 66052465600.

The previous prime is 203111332183. The next prime is 203111332243. The reversal of 203111332212 is 212233111302.

203111332212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 206413464 + ... + 206414447.

It is an arithmetic number, because the mean of its divisors is an integer number (20228567688).

Almost surely, 2^203111332212 is an apocalyptic number.

It is an amenable number.

203111332212 is an abundant number, since it is smaller than the sum of its proper divisors (282374292300).

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

203111332212 is a wasteful number, since it uses less digits than its factorization.

203111332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412827959 (or 412827957 counting only the distinct ones).

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

Adding to 203111332212 its reverse (212233111302), we get a palindrome (415344443514).

The spelling of 203111332212 in words is "two hundred three billion, one hundred eleven million, three hundred thirty-two thousand, two hundred twelve".