213120037366 has 8 divisors (see below), whose sum is σ = 320196503880. Its totient is φ = 106387869408.

The previous prime is 213120037337. The next prime is 213120037399. The reversal of 213120037366 is 663730021312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86073091 + ... + 86075566.

It is an arithmetic number, because the mean of its divisors is an integer number (40024562985).

Almost surely, 2^213120037366 is an apocalyptic number.

213120037366 is a deficient number, since it is larger than the sum of its proper divisors (107076466514).

213120037366 is a wasteful number, since it uses less digits than its factorization.

213120037366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172149278.

The product of its (nonzero) digits is 27216, while the sum is 34.

Adding to 213120037366 its reverse (663730021312), we get a palindrome (876850058678).

The spelling of 213120037366 in words is "two hundred thirteen billion, one hundred twenty million, thirty-seven thousand, three hundred sixty-six".