67213231551322 has 16 divisors (see below), whose sum is σ = 101415724473672. Its totient is φ = 33408040265280.

The previous prime is 67213231551269. The next prime is 67213231551379. The reversal of 67213231551322 is 22315513231276.

67213231551322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 59742526790241 + 7470704761081 = 7729329^2 + 2733259^2 .

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 7 ways as a sum of consecutive naturals, for example, 9868953 + ... + 15225724.

Almost surely, 2^{67213231551322} is an apocalyptic number.

67213231551322 is a deficient number, since it is larger than the sum of its proper divisors (34202492922350).

67213231551322 is a wasteful number, since it uses less digits than its factorization.

67213231551322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25102593.

The product of its digits is 453600, while the sum is 43.

Adding to 67213231551322 its reverse (22315513231276), we get a palindrome (89528744782598).

The spelling of 67213231551322 in words is "sixty-seven trillion, two hundred thirteen billion, two hundred thirty-one million, five hundred fifty-one thousand, three hundred twenty-two".