12006210511 has 4 divisors (see below), whose sum is σ = 12420217800. Its totient is φ = 11592203224.

The previous prime is 12006210499. The next prime is 12006210521. The reversal of 12006210511 is 11501260021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12006210511 - 2⁷ = 12006210383 is a prime.

It is a super-2 number, since 2×12006210511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12006210521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207003601 + ... + 207003658.

It is an arithmetic number, because the mean of its divisors is an integer number (3105054450).

Almost surely, 2^12006210511 is an apocalyptic number.

12006210511 is a deficient number, since it is larger than the sum of its proper divisors (414007289).

12006210511 is an equidigital number, since it uses as much as digits as its factorization.

12006210511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414007288.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12006210511 its reverse (11501260021), we get a palindrome (23507470532).

The spelling of 12006210511 in words is "twelve billion, six million, two hundred ten thousand, five hundred eleven".