12213231320022 has 16 divisors (see below), whose sum is σ = 25863313383792. Its totient is φ = 3831601982720.

The previous prime is 12213231319973. The next prime is 12213231320041. The reversal of 12213231320022 is 22002313231221.

It is a junction number, because it is equal to n+sod(n) for n = 12213231319974 and 12213231320001.

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, 59868780879 + ... + 59868781082.

It is an arithmetic number, because the mean of its divisors is an integer number (1616457086487).

Almost surely, 2^{12213231320022} is an apocalyptic number.

12213231320022 is an abundant number, since it is smaller than the sum of its proper divisors (13650082063770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12213231320022 is a wasteful number, since it uses less digits than its factorization.

12213231320022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119737561983.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12213231320022 its reverse (22002313231221), we get a palindrome (34215544551243).

The spelling of 12213231320022 in words is "twelve trillion, two hundred thirteen billion, two hundred thirty-one million, three hundred twenty thousand, twenty-two".