12201220403 has 2 divisors, whose sum is σ = 12201220404. Its totient is φ = 12201220402.

The previous prime is 12201220393. The next prime is 12201220417. The reversal of 12201220403 is 30402210221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12201220403 - 2⁴ = 12201220387 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201220483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100610201 + 6100610202.

It is an arithmetic number, because the mean of its divisors is an integer number (6100610202).

Almost surely, 2^12201220403 is an apocalyptic number.

12201220403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201220403 is an equidigital number, since it uses as much as digits as its factorization.

12201220403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12201220403 its reverse (30402210221), we get a palindrome (42603430624).

The spelling of 12201220403 in words is "twelve billion, two hundred one million, two hundred twenty thousand, four hundred three".