12102223312331 has 4 divisors (see below), whose sum is σ = 12149313675672. Its totient is φ = 12055132948992.

The previous prime is 12102223312327. The next prime is 12102223312397. The reversal of 12102223312331 is 13321332220121.

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 12102223312331 - 2² = 12102223312327 is a prime.

It is a super-2 number, since 2×12102223312331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12102223312331.

It is not an unprimeable number, because it can be changed into a prime (12102223312301) 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, 23545181285 + ... + 23545181798.

It is an arithmetic number, because the mean of its divisors is an integer number (3037328418918).

Almost surely, 2^{12102223312331} is an apocalyptic number.

12102223312331 is a deficient number, since it is larger than the sum of its proper divisors (47090363341).

12102223312331 is an equidigital number, since it uses as much as digits as its factorization.

12102223312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47090363340.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12102223312331 its reverse (13321332220121), we get a palindrome (25423555532452).

The spelling of 12102223312331 in words is "twelve trillion, one hundred two billion, two hundred twenty-three million, three hundred twelve thousand, three hundred thirty-one".