12143589622 has 4 divisors (see below), whose sum is σ = 18215384436. Its totient is φ = 6071794810.

The previous prime is 12143589599. The next prime is 12143589629. The reversal of 12143589622 is 22698534121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22698534121 = 347 ⋅65413643.

It is a super-2 number, since 2×12143589622² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143589629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3035897404 + ... + 3035897407.

It is an arithmetic number, because the mean of its divisors is an integer number (4553846109).

Almost surely, 2^12143589622 is an apocalyptic number.

12143589622 is a deficient number, since it is larger than the sum of its proper divisors (6071794814).

12143589622 is an equidigital number, since it uses as much as digits as its factorization.

12143589622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071794813.

The product of its digits is 207360, while the sum is 43.

The spelling of 12143589622 in words is "twelve billion, one hundred forty-three million, five hundred eighty-nine thousand, six hundred twenty-two".