12342220243 has 8 divisors (see below), whose sum is σ = 12479698400. Its totient is φ = 12205081728.

The previous prime is 12342220223. The next prime is 12342220249. The reversal of 12342220243 is 34202224321.

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 12342220243 - 2²⁹ = 11805349331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12342220249) 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, 11478 + ... + 157531.

It is an arithmetic number, because the mean of its divisors is an integer number (1559962300).

Almost surely, 2^12342220243 is an apocalyptic number.

12342220243 is a deficient number, since it is larger than the sum of its proper divisors (137478157).

12342220243 is a wasteful number, since it uses less digits than its factorization.

12342220243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169821.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12342220243 its reverse (34202224321), we get a palindrome (46544444564).

The spelling of 12342220243 in words is "twelve billion, three hundred forty-two million, two hundred twenty thousand, two hundred forty-three".