12220003 has 2 divisors, whose sum is σ = 12220004. Its totient is φ = 12220002.

The previous prime is 12219997. The next prime is 12220031. The reversal of 12220003 is 30002221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12220003 - 2²¹ = 10122851 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (12220903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110001 + 6110002.

It is an arithmetic number, because the mean of its divisors is an integer number (6110002).

Almost surely, 2^12220003 is an apocalyptic number.

12220003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220003 is an equidigital number, since it uses as much as digits as its factorization.

12220003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 12220003 is about 3495.7120876869. The cubic root of 12220003 is about 230.3334985521. Note that the first 3 decimals are identical.

Adding to 12220003 its reverse (30002221), we get a palindrome (42222224).

The spelling of 12220003 in words is "twelve million, two hundred twenty thousand, three".