15322320212 has 12 divisors (see below), whose sum is σ = 26848137120. Its totient is φ = 7651423896.

The previous prime is 15322320203. The next prime is 15322320229. The reversal of 15322320212 is 21202322351.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2430512 + ... + 2436807.

It is an arithmetic number, because the mean of its divisors is an integer number (2237344760).

Almost surely, 2^15322320212 is an apocalyptic number.

It is an amenable number.

15322320212 is a deficient number, since it is larger than the sum of its proper divisors (11525816908).

15322320212 is a wasteful number, since it uses less digits than its factorization.

15322320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868110 (or 4868108 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 15322320212 its reverse (21202322351), we get a palindrome (36524642563).

The spelling of 15322320212 in words is "fifteen billion, three hundred twenty-two million, three hundred twenty thousand, two hundred twelve".