12303122221 has 8 divisors (see below), whose sum is σ = 13265864864. Its totient is φ = 11342715120.

The previous prime is 12303122219. The next prime is 12303122239. The reversal of 12303122221 is 12222130321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12303122221 - 2¹ = 12303122219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303122201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572931 + ... + 594016.

It is an arithmetic number, because the mean of its divisors is an integer number (1658233108).

Almost surely, 2^12303122221 is an apocalyptic number.

It is an amenable number.

12303122221 is a deficient number, since it is larger than the sum of its proper divisors (962742643).

12303122221 is a wasteful number, since it uses less digits than its factorization.

12303122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167771.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12303122221 its reverse (12222130321), we get a palindrome (24525252542).

The spelling of 12303122221 in words is "twelve billion, three hundred three million, one hundred twenty-two thousand, two hundred twenty-one".