203012 has 6 divisors (see below), whose sum is σ = 355278. Its totient is φ = 101504.

The previous prime is 203011. The next prime is 203017. The reversal of 203012 is 210302.

It can be written as a sum of positive squares in only one way, i.e., 198916 + 4096 = 446^2 + 64^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25373 + ... + 25380.

It is an arithmetic number, because the mean of its divisors is an integer number (59213).

2²⁰³⁰¹² is an apocalyptic number.

It is an amenable number.

203012 is a deficient number, since it is larger than the sum of its proper divisors (152266).

203012 is a wasteful number, since it uses less digits than its factorization.

203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50757 (or 50755 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 203012 is about 450.5685297488. The cubic root of 203012 is about 58.7724646246.

Adding to 203012 its reverse (210302), we get a palindrome (413314).

The spelling of 203012 in words is "two hundred three thousand, twelve", and thus it is an iban number.