12342224321 has 24 divisors (see below), whose sum is σ = 14641615080. Its totient is φ = 10369911552.

The previous prime is 12342224263. The next prime is 12342224329.

12342224321 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 1098591025 + 11243633296 = 33145^2 + 106036^2 .

It is not a de Polignac number, because 12342224321 - 2¹⁴ = 12342207937 is a prime.

It is a super-2 number, since 2×12342224321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12342224329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5372045 + ... + 5374341.

It is an arithmetic number, because the mean of its divisors is an integer number (610067295).

Almost surely, 2^12342224321 is an apocalyptic number.

It is an amenable number.

12342224321 is a deficient number, since it is larger than the sum of its proper divisors (2299390759).

12342224321 is a wasteful number, since it uses less digits than its factorization.

12342224321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433 (or 4426 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The spelling of 12342224321 in words is "twelve billion, three hundred forty-two million, two hundred twenty-four thousand, three hundred twenty-one".