12231421022 has 32 divisors (see below), whose sum is σ = 19795394304. Its totient is φ = 5653700800.

The previous prime is 12231420979. The next prime is 12231421043. The reversal of 12231421022 is 22012413221.

12231421022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12231420985 and 12231421003.

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 15 ways as a sum of consecutive naturals, for example, 171497 + ... + 232107.

It is an arithmetic number, because the mean of its divisors is an integer number (618606072).

Almost surely, 2^12231421022 is an apocalyptic number.

12231421022 is a deficient number, since it is larger than the sum of its proper divisors (7563973282).

12231421022 is a wasteful number, since it uses less digits than its factorization.

12231421022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60784.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12231421022 its reverse (22012413221), we get a palindrome (34243834243).

The spelling of 12231421022 in words is "twelve billion, two hundred thirty-one million, four hundred twenty-one thousand, twenty-two".