1218312927482 has 64 divisors (see below), whose sum is σ = 2116479891456. Its totient is φ = 515191596480.

The previous prime is 1218312927449. The next prime is 1218312927493. The reversal of 1218312927482 is 2847292138121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1218312927482.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613140893 + ... + 613142879.

It is an arithmetic number, because the mean of its divisors is an integer number (33069998304).

Almost surely, 2^{1218312927482} is an apocalyptic number.

1218312927482 is a deficient number, since it is larger than the sum of its proper divisors (898166963974).

1218312927482 is a wasteful number, since it uses less digits than its factorization.

1218312927482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531.

The product of its digits is 774144, while the sum is 50.

The spelling of 1218312927482 in words is "one trillion, two hundred eighteen billion, three hundred twelve million, nine hundred twenty-seven thousand, four hundred eighty-two".