12418854881 has 8 divisors (see below), whose sum is σ = 12621790080. Its totient is φ = 12216436848.

The previous prime is 12418854871. The next prime is 12418854887. The reversal of 12418854881 is 18845881421.

It is a happy number.

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-12418854881 is a prime.

It is a super-2 number, since 2×12418854881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12418854887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80726 + ... + 177071.

It is an arithmetic number, because the mean of its divisors is an integer number (1577723760).

Almost surely, 2^12418854881 is an apocalyptic number.

It is an amenable number.

12418854881 is a deficient number, since it is larger than the sum of its proper divisors (202935199).

12418854881 is an equidigital number, since it uses as much as digits as its factorization.

12418854881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258583.

The product of its digits is 655360, while the sum is 50.

The spelling of 12418854881 in words is "twelve billion, four hundred eighteen million, eight hundred fifty-four thousand, eight hundred eighty-one".