218121048304 has 10 divisors (see below), whose sum is σ = 422609531120. Its totient is φ = 109060524144.

The previous prime is 218121048293. The next prime is 218121048323. The reversal of 218121048304 is 403840121812.

It is a self number, because there is not a number n which added to its sum of digits gives 218121048304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6816282744 + ... + 6816282775.

It is an arithmetic number, because the mean of its divisors is an integer number (42260953112).

Almost surely, 2^218121048304 is an apocalyptic number.

It is an amenable number.

218121048304 is a deficient number, since it is larger than the sum of its proper divisors (204488482816).

218121048304 is a wasteful number, since it uses less digits than its factorization.

218121048304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13632565527 (or 13632565521 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 218121048304 in words is "two hundred eighteen billion, one hundred twenty-one million, forty-eight thousand, three hundred four".