10203112 has 16 divisors (see below), whose sum is σ = 19190340. Its totient is φ = 5085696.

The previous prime is 10203103. The next prime is 10203113. The reversal of 10203112 is 21130201.

It can be written as a sum of positive squares in 2 ways, for example, as 8444836 + 1758276 = 2906^2 + 1326^2 .

It is not an unprimeable number, because it can be changed into a prime (10203113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018 + ... + 4630.

Almost surely, 2^10203112 is an apocalyptic number.

It is an amenable number.

10203112 is a deficient number, since it is larger than the sum of its proper divisors (8987228).

10203112 is a wasteful number, since it uses less digits than its factorization.

10203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972 (or 3968 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 10203112 is about 3194.2310498773. The cubic root of 10203112 is about 216.8923418490.

Adding to 10203112 its reverse (21130201), we get a palindrome (31333313).

It can be divided in two parts, 10 and 203112, that multiplied together give a triangular number (2031120 = T₂₀₁₅).

The spelling of 10203112 in words is "ten million, two hundred three thousand, one hundred twelve".