12214431420 has 48 divisors (see below), whose sum is σ = 34215125280. Its totient is φ = 3255780096.

The previous prime is 12214431407. The next prime is 12214431421. The reversal of 12214431420 is 2413441221.

12214431420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214431421) by changing a digit.

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, 100734 + ... + 185946.

It is an arithmetic number, because the mean of its divisors is an integer number (712815110).

Almost surely, 2^12214431420 is an apocalyptic number.

12214431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12214431420 is an abundant number, since it is smaller than the sum of its proper divisors (22000693860).

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

12214431420 is a wasteful number, since it uses less digits than its factorization.

12214431420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87614 (or 87612 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12214431420 its reverse (2413441221), we get a palindrome (14627872641).

The spelling of 12214431420 in words is "twelve billion, two hundred fourteen million, four hundred thirty-one thousand, four hundred twenty".