2218108735812 has 24 divisors (see below), whose sum is σ = 5260432741312. Its totient is φ = 727248765600.

The previous prime is 2218108735789. The next prime is 2218108735831. The reversal of 2218108735812 is 2185378018122.

It is a super-2 number, since 2×2218108735812² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515100864 + ... + 1515102327.

Almost surely, 2^{2218108735812} is an apocalyptic number.

It is an amenable number.

2218108735812 is an abundant number, since it is smaller than the sum of its proper divisors (3042324005500).

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

2218108735812 is a wasteful number, since it uses less digits than its factorization.

2218108735812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030203259 (or 3030203257 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 48.

The spelling of 2218108735812 in words is "two trillion, two hundred eighteen billion, one hundred eight million, seven hundred thirty-five thousand, eight hundred twelve".