12061618067 has 2 divisors, whose sum is σ = 12061618068. Its totient is φ = 12061618066.

The previous prime is 12061618021. The next prime is 12061618081. The reversal of 12061618067 is 76081616021.

It is a strong prime.

It is an emirp because it is prime and its reverse (76081616021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12061618067 - 2¹⁸ = 12061355923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12061618067.

It is not a weakly prime, because it can be changed into another prime (12061618007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6030809033 + 6030809034.

It is an arithmetic number, because the mean of its divisors is an integer number (6030809034).

Almost surely, 2^12061618067 is an apocalyptic number.

12061618067 is a deficient number, since it is larger than the sum of its proper divisors (1).

12061618067 is an equidigital number, since it uses as much as digits as its factorization.

12061618067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 12061618067 in words is "twelve billion, sixty-one million, six hundred eighteen thousand, sixty-seven".