203444212 has 12 divisors (see below), whose sum is σ = 358212736. Its totient is φ = 101097720.

The previous prime is 203444207. The next prime is 203444231. The reversal of 203444212 is 212444302.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155364 + ... + 156667.

Almost surely, 2^203444212 is an apocalyptic number.

It is an amenable number.

203444212 is a deficient number, since it is larger than the sum of its proper divisors (154768524).

203444212 is a wasteful number, since it uses less digits than its factorization.

203444212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312198 (or 312196 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 203444212 is about 14263.3871152682. The cubic root of 203444212 is about 588.1414386642.

Adding to 203444212 its reverse (212444302), we get a palindrome (415888514).

The spelling of 203444212 in words is "two hundred three million, four hundred forty-four thousand, two hundred twelve".