213022120312 has 32 divisors (see below), whose sum is σ = 399863462400. Its totient is φ = 106391944800.

The previous prime is 213022120273. The next prime is 213022120321. The reversal of 213022120312 is 213021220312.

213022120312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213022120312.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 36782137 + ... + 36787927.

It is an arithmetic number, because the mean of its divisors is an integer number (12495733200).

Almost surely, 2^213022120312 is an apocalyptic number.

It is an amenable number.

213022120312 is a deficient number, since it is larger than the sum of its proper divisors (186841342088).

213022120312 is a wasteful number, since it uses less digits than its factorization.

213022120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10147 (or 10143 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213022120312 its reverse (213021220312), we get a palindrome (426043340624).

The spelling of 213022120312 in words is "two hundred thirteen billion, twenty-two million, one hundred twenty thousand, three hundred twelve".