12005832311 has 4 divisors (see below), whose sum is σ = 13097271624. Its totient is φ = 10914393000.

The previous prime is 12005832277. The next prime is 12005832317. The reversal of 12005832311 is 11323850021.

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 12005832311 - 2⁶ = 12005832247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005832317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545719640 + ... + 545719661.

It is an arithmetic number, because the mean of its divisors is an integer number (3274317906).

Almost surely, 2^12005832311 is an apocalyptic number.

12005832311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12005832311 is a deficient number, since it is larger than the sum of its proper divisors (1091439313).

12005832311 is a wasteful number, since it uses less digits than its factorization.

12005832311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091439312.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 12005832311 in words is "twelve billion, five million, eight hundred thirty-two thousand, three hundred eleven".