12002312551 has 2 divisors, whose sum is σ = 12002312552. Its totient is φ = 12002312550.

The previous prime is 12002312533. The next prime is 12002312573. The reversal of 12002312551 is 15521320021.

12002312551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12002312573) can be obtained adding 12002312551 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12002312551 - 2⁹ = 12002312039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002312351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001156275 + 6001156276.

It is an arithmetic number, because the mean of its divisors is an integer number (6001156276).

Almost surely, 2^12002312551 is an apocalyptic number.

12002312551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002312551 is an equidigital number, since it uses as much as digits as its factorization.

12002312551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 12002312551 its reverse (15521320021), we get a palindrome (27523632572).

The spelling of 12002312551 in words is "twelve billion, two million, three hundred twelve thousand, five hundred fifty-one".