12442323022 has 16 divisors (see below), whose sum is σ = 18725413392. Its totient is φ = 6200536320.

The previous prime is 12442323011. The next prime is 12442323043. The reversal of 12442323022 is 22032324421.

It is a super-2 number, since 2×12442323022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2480497 + ... + 2485507.

It is an arithmetic number, because the mean of its divisors is an integer number (1170338337).

Almost surely, 2^12442323022 is an apocalyptic number.

12442323022 is a deficient number, since it is larger than the sum of its proper divisors (6283090370).

12442323022 is a wasteful number, since it uses less digits than its factorization.

12442323022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883.

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

Adding to 12442323022 its reverse (22032324421), we get a palindrome (34474647443).

The spelling of 12442323022 in words is "twelve billion, four hundred forty-two million, three hundred twenty-three thousand, twenty-two".