1218845245224 has 16 divisors (see below), whose sum is σ = 3047113113120. Its totient is φ = 406281748400.

The previous prime is 1218845245201. The next prime is 1218845245229. The reversal of 1218845245224 is 4225425488121.

It is not an unprimeable number, because it can be changed into a prime (1218845245229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25392609252 + ... + 25392609299.

It is an arithmetic number, because the mean of its divisors is an integer number (190444569570).

Almost surely, 2^{1218845245224} is an apocalyptic number.

It is an amenable number.

1218845245224 is an abundant number, since it is smaller than the sum of its proper divisors (1828267867896).

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

1218845245224 is a wasteful number, since it uses less digits than its factorization.

1218845245224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50785218560 (or 50785218556 counting only the distinct ones).

The product of its digits is 1638400, while the sum is 48.

The spelling of 1218845245224 in words is "one trillion, two hundred eighteen billion, eight hundred forty-five million, two hundred forty-five thousand, two hundred twenty-four".