12311023112206 has 64 divisors (see below), whose sum is σ = 23042941544448. Its totient is φ = 4802837131008.

The previous prime is 12311023112119. The next prime is 12311023112221. The reversal of 12311023112206 is 60221132011321.

It is a super-3 number, since 3×12311023112206³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 90316555 + ... + 90452761.

It is an arithmetic number, because the mean of its divisors is an integer number (360045961632).

Almost surely, 2^{12311023112206} is an apocalyptic number.

12311023112206 is a deficient number, since it is larger than the sum of its proper divisors (10731918432242).

12311023112206 is a wasteful number, since it uses less digits than its factorization.

12311023112206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143105.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 12311023112206 its reverse (60221132011321), we get a palindrome (72532155123527).

The spelling of 12311023112206 in words is "twelve trillion, three hundred eleven billion, twenty-three million, one hundred twelve thousand, two hundred six".