12561182314 has 8 divisors (see below), whose sum is σ = 18860051808. Its totient is φ = 6274498380.

The previous prime is 12561182297. The next prime is 12561182339. The reversal of 12561182314 is 41328116521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12561182314² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12561182314.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3043812 + ... + 3047935.

It is an arithmetic number, because the mean of its divisors is an integer number (2357506476).

Almost surely, 2^12561182314 is an apocalyptic number.

12561182314 is a deficient number, since it is larger than the sum of its proper divisors (6298869494).

12561182314 is a wasteful number, since it uses less digits than its factorization.

12561182314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092780.

The product of its digits is 11520, while the sum is 34.

Adding to 12561182314 its reverse (41328116521), we get a palindrome (53889298835).

The spelling of 12561182314 in words is "twelve billion, five hundred sixty-one million, one hundred eighty-two thousand, three hundred fourteen".