1223101201 has 12 divisors (see below), whose sum is σ = 1427443248. Its totient is φ = 1044944712.

The previous prime is 1223101181. The next prime is 1223101219. The reversal of 1223101201 is 1021013221.

It is not a de Polignac number, because 1223101201 - 2⁹ = 1223100689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223101241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25611 + ... + 55696.

It is an arithmetic number, because the mean of its divisors is an integer number (118953604).

Almost surely, 2^1223101201 is an apocalyptic number.

It is an amenable number.

1223101201 is a deficient number, since it is larger than the sum of its proper divisors (204342047).

1223101201 is an equidigital number, since it uses as much as digits as its factorization.

1223101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81628 (or 81621 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1223101201 is about 34972.8637803655. The cubic root of 1223101201 is about 1069.4343535454.

Adding to 1223101201 its reverse (1021013221), we get a palindrome (2244114422).

The spelling of 1223101201 in words is "one billion, two hundred twenty-three million, one hundred one thousand, two hundred one".