218112242211812 has 48 divisors (see below), whose sum is σ = 415698587146752. Its totient is φ = 99533383804800.

The previous prime is 218112242211761. The next prime is 218112242211823.

218112242211812 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24743948 + ... + 32380355.

It is an arithmetic number, because the mean of its divisors is an integer number (8660387232224).

Almost surely, 2^{218112242211812} is an apocalyptic number.

It is an amenable number.

218112242211812 is a deficient number, since it is larger than the sum of its proper divisors (197586344934940).

218112242211812 is a wasteful number, since it uses less digits than its factorization.

218112242211812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57125148 (or 57125146 counting only the distinct ones).

The product of its digits is 16384, while the sum is 38.

The spelling of 218112242211812 in words is "two hundred eighteen trillion, one hundred twelve billion, two hundred forty-two million, two hundred eleven thousand, eight hundred twelve".