12212443143 has 40 divisors (see below), whose sum is σ = 18368642160. Its totient is φ = 8085882240.

The previous prime is 12212443129. The next prime is 12212443151. The reversal of 12212443143 is 34134421221.

12212443143 is a `hidden beast` number, since 1 + 2 + 212 + 443 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 12212443143 - 2⁶ = 12212443079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212443123) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14874673 + ... + 14875493.

It is an arithmetic number, because the mean of its divisors is an integer number (459216054).

Almost surely, 2^12212443143 is an apocalyptic number.

12212443143 is a deficient number, since it is larger than the sum of its proper divisors (6156199017).

12212443143 is an equidigital number, since it uses as much as digits as its factorization.

12212443143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869 (or 1860 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 12212443143 its reverse (34134421221), we get a palindrome (46346864364).

The spelling of 12212443143 in words is "twelve billion, two hundred twelve million, four hundred forty-three thousand, one hundred forty-three".