12143222143143 has 32 divisors (see below), whose sum is σ = 19960606848000. Its totient is φ = 6394522807296.

The previous prime is 12143222143103. The next prime is 12143222143163. The reversal of 12143222143143 is 34134122234121.

It is not a de Polignac number, because 12143222143143 - 2¹⁷ = 12143222012071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143222143103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36965578 + ... + 37292631.

It is an arithmetic number, because the mean of its divisors is an integer number (623768964000).

Almost surely, 2^{12143222143143} is an apocalyptic number.

12143222143143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12143222143143 is a deficient number, since it is larger than the sum of its proper divisors (7817384704857).

12143222143143 is a wasteful number, since it uses less digits than its factorization.

12143222143143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74258831.

The product of its digits is 27648, while the sum is 33.

Adding to 12143222143143 its reverse (34134122234121), we get a palindrome (46277344377264).

The spelling of 12143222143143 in words is "twelve trillion, one hundred forty-three billion, two hundred twenty-two million, one hundred forty-three thousand, one hundred forty-three".