12223421245 has 16 divisors (see below), whose sum is σ = 16765378560. Its totient is φ = 8380859904.

The previous prime is 12223421237. The next prime is 12223421251. The reversal of 12223421245 is 54212432221.

It is a cyclic number.

It is not a de Polignac number, because 12223421245 - 2³ = 12223421237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525124 + ... + 547906.

It is an arithmetic number, because the mean of its divisors is an integer number (1047836160).

Almost surely, 2^12223421245 is an apocalyptic number.

It is an amenable number.

12223421245 is a deficient number, since it is larger than the sum of its proper divisors (4541957315).

12223421245 is a wasteful number, since it uses less digits than its factorization.

12223421245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38124.

The product of its digits is 7680, while the sum is 28.

Adding to 12223421245 its reverse (54212432221), we get a palindrome (66435853466).

The spelling of 12223421245 in words is "twelve billion, two hundred twenty-three million, four hundred twenty-one thousand, two hundred forty-five".