12203021603 has 2 divisors, whose sum is σ = 12203021604. Its totient is φ = 12203021602.

The previous prime is 12203021591. The next prime is 12203021653. The reversal of 12203021603 is 30612030221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12203021603 - 2⁴ = 12203021587 is a prime.

It is a super-3 number, since 3×12203021603³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12203021653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101510801 + 6101510802.

It is an arithmetic number, because the mean of its divisors is an integer number (6101510802).

Almost surely, 2^12203021603 is an apocalyptic number.

12203021603 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203021603 is an equidigital number, since it uses as much as digits as its factorization.

12203021603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12203021603 its reverse (30612030221), we get a palindrome (42815051824).

The spelling of 12203021603 in words is "twelve billion, two hundred three million, twenty-one thousand, six hundred three".