12111112332305 has 16 divisors (see below), whose sum is σ = 16675698904704. Its totient is φ = 8271676032000.

The previous prime is 12111112332289. The next prime is 12111112332323. The reversal of 12111112332305 is 50323321111121.

It is a happy number.

It is not a de Polignac number, because 12111112332305 - 2⁴ = 12111112332289 is a prime.

It is a super-2 number, since 2×12111112332305² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689297552 + ... + 689315121.

It is an arithmetic number, because the mean of its divisors is an integer number (1042231181544).

Almost surely, 2^{12111112332305} is an apocalyptic number.

It is an amenable number.

12111112332305 is a deficient number, since it is larger than the sum of its proper divisors (4564586572399).

12111112332305 is a wasteful number, since it uses less digits than its factorization.

12111112332305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378612936.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 12111112332305 its reverse (50323321111121), we get a palindrome (62434433443426).

The spelling of 12111112332305 in words is "twelve trillion, one hundred eleven billion, one hundred twelve million, three hundred thirty-two thousand, three hundred five".