212131311322322 has 16 divisors (see below), whose sum is σ = 376193458503360. Its totient is φ = 87778473650448.

The previous prime is 212131311322277. The next prime is 212131311322369. The reversal of 212131311322322 is 223223113131212.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 261245456888 + ... + 261245457699.

It is an arithmetic number, because the mean of its divisors is an integer number (23512091156460).

Almost surely, 2^{212131311322322} is an apocalyptic number.

212131311322322 is a deficient number, since it is larger than the sum of its proper divisors (164062147181038).

212131311322322 is a wasteful number, since it uses less digits than its factorization.

212131311322322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522490914625.

The product of its digits is 5184, while the sum is 29.

Adding to 212131311322322 its reverse (223223113131212), we get a palindrome (435354424453534).

The spelling of 212131311322322 in words is "two hundred twelve trillion, one hundred thirty-one billion, three hundred eleven million, three hundred twenty-two thousand, three hundred twenty-two".