203412212 has 12 divisors (see below), whose sum is σ = 356516160. Its totient is φ = 101550456.

The previous prime is 203412149. The next prime is 203412221. The reversal of 203412212 is 212214302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35948 + ... + 41219.

It is an arithmetic number, because the mean of its divisors is an integer number (29709680).

Almost surely, 2^203412212 is an apocalyptic number.

It is an amenable number.

203412212 is a deficient number, since it is larger than the sum of its proper divisors (153103948).

203412212 is a wasteful number, since it uses less digits than its factorization.

203412212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77830 (or 77828 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 203412212 is about 14262.2653179640. The cubic root of 203412212 is about 588.1106005412.

Adding to 203412212 its reverse (212214302), we get a palindrome (415626514).

The spelling of 203412212 in words is "two hundred three million, four hundred twelve thousand, two hundred twelve".