203213012 has 12 divisors (see below), whose sum is σ = 363893376. Its totient is φ = 99243480.

The previous prime is 203212993. The next prime is 203213033. The reversal of 203213012 is 210312302.

It is a happy number.

It is a super-2 number, since 2×203213012² = 82591056492224288, which contains 22 as substring.

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, 590564 + ... + 590907.

It is an arithmetic number, because the mean of its divisors is an integer number (30324448).

Almost surely, 2^203213012 is an apocalyptic number.

It is an amenable number.

203213012 is a deficient number, since it is larger than the sum of its proper divisors (160680364).

203213012 is a wasteful number, since it uses less digits than its factorization.

203213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181518 (or 1181516 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 203213012 is about 14255.2801445640. The cubic root of 203213012 is about 587.9185604580.

Adding to 203213012 its reverse (210312302), we get a palindrome (413525314).

The spelling of 203213012 in words is "two hundred three million, two hundred thirteen thousand, twelve".