218269962812 has 48 divisors (see below), whose sum is σ = 418349524992. Its totient is φ = 98820708480.

The previous prime is 218269962773. The next prime is 218269962853.

218269962812 is nontrivially palindromic in base 10.

It is a congruent number.

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, 20418533 + ... + 20429219.

It is an arithmetic number, because the mean of its divisors is an integer number (8715615104).

Almost surely, 2^218269962812 is an apocalyptic number.

218269962812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

218269962812 is a deficient number, since it is larger than the sum of its proper divisors (200079562180).

218269962812 is a wasteful number, since it uses less digits than its factorization.

218269962812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498 (or 12496 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 56.

The spelling of 218269962812 in words is "two hundred eighteen billion, two hundred sixty-nine million, nine hundred sixty-two thousand, eight hundred twelve".