12554442167 has 2 divisors, whose sum is σ = 12554442168. Its totient is φ = 12554442166.

The previous prime is 12554442101. The next prime is 12554442209. The reversal of 12554442167 is 76124445521.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (76124445521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12554442167 - 2¹⁴ = 12554425783 is a prime.

It is a super-2 number, since 2×12554442167² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12554442367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277221083 + 6277221084.

It is an arithmetic number, because the mean of its divisors is an integer number (6277221084).

Almost surely, 2^12554442167 is an apocalyptic number.

12554442167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12554442167 is an equidigital number, since it uses as much as digits as its factorization.

12554442167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 41.

Adding to 12554442167 its reverse (76124445521), we get a palindrome (88678887688).

The spelling of 12554442167 in words is "twelve billion, five hundred fifty-four million, four hundred forty-two thousand, one hundred sixty-seven".