203213124212 has 96 divisors (see below), whose sum is σ = 421409694720. Its totient is φ = 83954257920.

The previous prime is 203213124203. The next prime is 203213124271. The reversal of 203213124212 is 212421312302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18480188 + ... + 18491180.

It is an arithmetic number, because the mean of its divisors is an integer number (4389684320).

Almost surely, 2^203213124212 is an apocalyptic number.

It is an amenable number.

203213124212 is an abundant number, since it is smaller than the sum of its proper divisors (218196570508).

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

203213124212 is a wasteful number, since it uses less digits than its factorization.

203213124212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11281 (or 11279 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 203213124212 its reverse (212421312302), we get a palindrome (415634436514).

The spelling of 203213124212 in words is "two hundred three billion, two hundred thirteen million, one hundred twenty-four thousand, two hundred twelve".