213321444040204 has 6 divisors (see below), whose sum is σ = 373312527070364. Its totient is φ = 106660722020100.

The previous prime is 213321444040171. The next prime is 213321444040349. The reversal of 213321444040204 is 402040444123312.

It is a self number, because there is not a number n which added to its sum of digits gives 213321444040204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26665180505022 + ... + 26665180505029.

Almost surely, 2^{213321444040204} is an apocalyptic number.

It is an amenable number.

213321444040204 is a deficient number, since it is larger than the sum of its proper divisors (159991083030160).

213321444040204 is a wasteful number, since it uses less digits than its factorization.

213321444040204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53330361010055 (or 53330361010053 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 213321444040204 its reverse (402040444123312), we get a palindrome (615361888163516).

The spelling of 213321444040204 in words is "two hundred thirteen trillion, three hundred twenty-one billion, four hundred forty-four million, forty thousand, two hundred four".