12116566234 has 4 divisors (see below), whose sum is σ = 18174849354. Its totient is φ = 6058283116.

The previous prime is 12116566229. The next prime is 12116566243. The reversal of 12116566234 is 43266561121.

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

It can be written as a sum of positive squares in only one way, i.e., 7458913225 + 4657653009 = 86365^2 + 68247^2 .

It is a super-2 number, since 2×12116566234² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12116566193 and 12116566202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3029141557 + ... + 3029141560.

Almost surely, 2^12116566234 is an apocalyptic number.

12116566234 is a deficient number, since it is larger than the sum of its proper divisors (6058283120).

12116566234 is an equidigital number, since it uses as much as digits as its factorization.

12116566234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058283119.

The product of its digits is 51840, while the sum is 37.

It can be divided in two parts, 12116 and 566234, that added together give a triangular number (578350 = T₁₀₇₅).

The spelling of 12116566234 in words is "twelve billion, one hundred sixteen million, five hundred sixty-six thousand, two hundred thirty-four".