12212243022 has 16 divisors (see below), whose sum is σ = 27913698432. Its totient is φ = 3489212280.

The previous prime is 12212243003. The next prime is 12212243081. The reversal of 12212243022 is 22034221221.

12212243022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12212243022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145383804 + ... + 145383887.

It is an arithmetic number, because the mean of its divisors is an integer number (1744606152).

Almost surely, 2^12212243022 is an apocalyptic number.

12212243022 is an abundant number, since it is smaller than the sum of its proper divisors (15701455410).

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

12212243022 is a wasteful number, since it uses less digits than its factorization.

12212243022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290767703.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12212243022 its reverse (22034221221), we get a palindrome (34246464243).

The spelling of 12212243022 in words is "twelve billion, two hundred twelve million, two hundred forty-three thousand, twenty-two".