12010203 has 6 divisors (see below), whose sum is σ = 17348084. Its totient is φ = 8006796.

The previous prime is 12010199. The next prime is 12010241. The reversal of 12010203 is 30201021.

It is a happy number.

It is not a de Polignac number, because 12010203 - 2² = 12010199 is a prime.

It is a super-2 number, since 2×12010203² = 288489952202418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1334467 = 12010203 / (1 + 2 + 0 + 1 + 0 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667225 + ... + 667242.

Almost surely, 2^12010203 is an apocalyptic number.

12010203 is a deficient number, since it is larger than the sum of its proper divisors (5337881).

12010203 is a wasteful number, since it uses less digits than its factorization.

12010203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334473 (or 1334470 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 12010203 is about 3465.5739784342. The cubic root of 12010203 is about 229.0077163485.

Adding to 12010203 its reverse (30201021), we get a palindrome (42211224).

The spelling of 12010203 in words is "twelve million, ten thousand, two hundred three".