12002022511 has 2 divisors, whose sum is σ = 12002022512.
Its totient is φ = 12002022510.
The previous prime is 12002022509. The next prime is 12002022517. The reversal of 12002022511 is 11522020021.
It is a happy number.
12002022511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12002022511 - 21 = 12002022509 is a prime.
Together with 12002022509, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12002022517) 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, 6001011255 + 6001011256.
It is an arithmetic number, because the mean of its divisors is an integer number (6001011256).
Almost surely, 212002022511 is an apocalyptic number.
12002022511 is a deficient number, since it is larger than the sum of its proper divisors (1).
12002022511 is an equidigital number, since it uses as much as digits as its factorization.
12002022511 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 80, while the sum is 16.
Adding to 12002022511 its reverse (11522020021), we get a palindrome (23524042532).
The spelling of 12002022511 in words is "twelve billion, two million, twenty-two thousand, five hundred eleven".