12223201243 has 4 divisors (see below), whose sum is σ = 13334401368. Its totient is φ = 11112001120.

The previous prime is 12223201189. The next prime is 12223201247. The reversal of 12223201243 is 34210232221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12223201243 - 2²⁵ = 12189646811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223201247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555600046 + ... + 555600067.

It is an arithmetic number, because the mean of its divisors is an integer number (3333600342).

Almost surely, 2^12223201243 is an apocalyptic number.

12223201243 is a deficient number, since it is larger than the sum of its proper divisors (1111200125).

12223201243 is a wasteful number, since it uses less digits than its factorization.

12223201243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111200124.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12223201243 its reverse (34210232221), we get a palindrome (46433433464).

The spelling of 12223201243 in words is "twelve billion, two hundred twenty-three million, two hundred one thousand, two hundred forty-three".