12123232200143 has 4 divisors (see below), whose sum is σ = 12215775957528. Its totient is φ = 12030688442760.

The previous prime is 12123232200137. The next prime is 12123232200161. The reversal of 12123232200143 is 34100223232121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12123232200143 - 2¹⁰ = 12123232199119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123232200643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46271878496 + ... + 46271878757.

It is an arithmetic number, because the mean of its divisors is an integer number (3053943989382).

Almost surely, 2^{12123232200143} is an apocalyptic number.

12123232200143 is a deficient number, since it is larger than the sum of its proper divisors (92543757385).

12123232200143 is an equidigital number, since it uses as much as digits as its factorization.

12123232200143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92543757384.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12123232200143 its reverse (34100223232121), we get a palindrome (46223455432264).

The spelling of 12123232200143 in words is "twelve trillion, one hundred twenty-three billion, two hundred thirty-two million, two hundred thousand, one hundred forty-three".