12293945855 has 8 divisors (see below), whose sum is σ = 15394158432. Its totient is φ = 9407541088.

The previous prime is 12293945849. The next prime is 12293945861. The reversal of 12293945855 is 55854939221.

It is an interprime number because it is at equal distance from previous prime (12293945849) and next prime (12293945861).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12293945855 is a prime.

It is a super-2 number, since 2×12293945855² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12293945797 and 12293945806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53451824 + ... + 53452053.

It is an arithmetic number, because the mean of its divisors is an integer number (1924269804).

Almost surely, 2^12293945855 is an apocalyptic number.

12293945855 is a deficient number, since it is larger than the sum of its proper divisors (3100212577).

12293945855 is a wasteful number, since it uses less digits than its factorization.

12293945855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106903905.

The product of its digits is 3888000, while the sum is 53.

The spelling of 12293945855 in words is "twelve billion, two hundred ninety-three million, nine hundred forty-five thousand, eight hundred fifty-five".