212322013512 has 64 divisors (see below), whose sum is σ = 607423555200. Its totient is φ = 60584509440.

The previous prime is 212322013507. The next prime is 212322013549. The reversal of 212322013512 is 215310223212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692539 + ... + 950922.

It is an arithmetic number, because the mean of its divisors is an integer number (9490993050).

Almost surely, 2^212322013512 is an apocalyptic number.

It is an amenable number.

212322013512 is an abundant number, since it is smaller than the sum of its proper divisors (395101541688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212322013512 is a wasteful number, since it uses less digits than its factorization.

212322013512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644246 (or 1644242 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 212322013512 its reverse (215310223212), we get a palindrome (427632236724).

The spelling of 212322013512 in words is "two hundred twelve billion, three hundred twenty-two million, thirteen thousand, five hundred twelve".