12210003 has 24 divisors (see below), whose sum is σ = 19248320. Its totient is φ = 7413120.

The previous prime is 12209993. The next prime is 12210007. The reversal of 12210003 is 30001221.

It is a happy number.

It is not a de Polignac number, because 12210003 - 2⁵ = 12209971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12210007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8583 + ... + 9903.

Almost surely, 2^12210003 is an apocalyptic number.

12210003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12210003 is a deficient number, since it is larger than the sum of its proper divisors (7038317).

12210003 is a wasteful number, since it uses less digits than its factorization.

12210003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419 (or 1416 counting only the distinct ones).

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

The square root of 12210003 is about 3494.2814712041. The cubic root of 12210003 is about 230.2706517708.

Adding to 12210003 its reverse (30001221), we get a palindrome (42211224).

The spelling of 12210003 in words is "twelve million, two hundred ten thousand, three".