12111042067 has 2 divisors, whose sum is σ = 12111042068. Its totient is φ = 12111042066.

The previous prime is 12111042059. The next prime is 12111042133. The reversal of 12111042067 is 76024011121.

It is a weak prime.

It is an emirp because it is prime and its reverse (76024011121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12111042067 - 2³ = 12111042059 is a prime.

It is not a weakly prime, because it can be changed into another prime (12111042037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055521033 + 6055521034.

It is an arithmetic number, because the mean of its divisors is an integer number (6055521034).

Almost surely, 2^12111042067 is an apocalyptic number.

12111042067 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111042067 is an equidigital number, since it uses as much as digits as its factorization.

12111042067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 12111042067 its reverse (76024011121), we get a palindrome (88135053188).

The spelling of 12111042067 in words is "twelve billion, one hundred eleven million, forty-two thousand, sixty-seven".