12232105124143 has 4 divisors (see below), whose sum is σ = 12246860378440. Its totient is φ = 12217349869848.

The previous prime is 12232105124137. The next prime is 12232105124159. The reversal of 12232105124143 is 34142150123221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12232105124143 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 (12232105122143) 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, 7377625905 + ... + 7377627562.

It is an arithmetic number, because the mean of its divisors is an integer number (3061715094610).

Almost surely, 2^{12232105124143} is an apocalyptic number.

12232105124143 is a deficient number, since it is larger than the sum of its proper divisors (14755254297).

12232105124143 is an equidigital number, since it uses as much as digits as its factorization.

12232105124143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14755254296.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 12232105124143 its reverse (34142150123221), we get a palindrome (46374255247364).

The spelling of 12232105124143 in words is "twelve trillion, two hundred thirty-two billion, one hundred five million, one hundred twenty-four thousand, one hundred forty-three".