1218324835336 has 32 divisors (see below), whose sum is σ = 2617512560640. Its totient is φ = 520775918208.

The previous prime is 1218324835331. The next prime is 1218324835363. The reversal of 1218324835336 is 6335384238121.

It is a self number, because there is not a number n which added to its sum of digits gives 1218324835336.

It is not an unprimeable number, because it can be changed into a prime (1218324835331) 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, 28380381 + ... + 28423276.

It is an arithmetic number, because the mean of its divisors is an integer number (81797267520).

Almost surely, 2^{1218324835336} is an apocalyptic number.

It is an amenable number.

1218324835336 is an abundant number, since it is smaller than the sum of its proper divisors (1399187725304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1218324835336 is a wasteful number, since it uses less digits than its factorization.

1218324835336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56804053 (or 56804049 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The spelling of 1218324835336 in words is "one trillion, two hundred eighteen billion, three hundred twenty-four million, eight hundred thirty-five thousand, three hundred thirty-six".