12321010022 has 4 divisors (see below), whose sum is σ = 18481515036. Its totient is φ = 6160505010.

The previous prime is 12321010019. The next prime is 12321010057. The reversal of 12321010022 is 22001012321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22001012321 = 953 ⋅23086057.

It is a junction number, because it is equal to n+sod(n) for n = 12321009979 and 12321010006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080252504 + ... + 3080252507.

It is an arithmetic number, because the mean of its divisors is an integer number (4620378759).

Almost surely, 2^12321010022 is an apocalyptic number.

12321010022 is a deficient number, since it is larger than the sum of its proper divisors (6160505014).

12321010022 is an equidigital number, since it uses as much as digits as its factorization.

12321010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160505013.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12321010022 its reverse (22001012321), we get a palindrome (34322022343).

The spelling of 12321010022 in words is "twelve billion, three hundred twenty-one million, ten thousand, twenty-two".