12031200232111 has 2 divisors, whose sum is σ = 12031200232112. Its totient is φ = 12031200232110.

The previous prime is 12031200232091. The next prime is 12031200232127. The reversal of 12031200232111 is 11123200213021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12031200232111 - 2¹⁹ = 12031199707823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12031200232171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015600116055 + 6015600116056.

It is an arithmetic number, because the mean of its divisors is an integer number (6015600116056).

Almost surely, 2^{12031200232111} is an apocalyptic number.

12031200232111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031200232111 is an equidigital number, since it uses as much as digits as its factorization.

12031200232111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12031200232111 its reverse (11123200213021), we get a palindrome (23154400445132).

The spelling of 12031200232111 in words is "twelve trillion, thirty-one billion, two hundred million, two hundred thirty-two thousand, one hundred eleven".