12231043543011 has 8 divisors (see below), whose sum is σ = 16321866747984. Its totient is φ = 8147124683360.

The previous prime is 12231043543009. The next prime is 12231043543021. The reversal of 12231043543011 is 11034534013221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12231043543011 - 2¹ = 12231043543009 is a prime.

It is a super-2 number, since 2×12231043543011² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12231043543011.

It is not an unprimeable number, because it can be changed into a prime (12231043543021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726082196 + ... + 1726089281.

It is an arithmetic number, because the mean of its divisors is an integer number (2040233343498).

Almost surely, 2^{12231043543011} is an apocalyptic number.

12231043543011 is a deficient number, since it is larger than the sum of its proper divisors (4090823204973).

12231043543011 is a wasteful number, since it uses less digits than its factorization.

12231043543011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452172661.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 12231043543011 its reverse (11034534013221), we get a palindrome (23265577556232).

The spelling of 12231043543011 in words is "twelve trillion, two hundred thirty-one billion, forty-three million, five hundred forty-three thousand, eleven".