12021302322 has 24 divisors (see below), whose sum is σ = 26048707776. Its totient is φ = 4006708056.

The previous prime is 12021302317. The next prime is 12021302347. The reversal of 12021302322 is 22320312021.

12021302322 is a `hidden beast` number, since 1 + 20 + 21 + 302 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12021302295 and 12021302304.

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 11 ways as a sum of consecutive naturals, for example, 201243 + ... + 254049.

It is an arithmetic number, because the mean of its divisors is an integer number (1085362824).

Almost surely, 2^12021302322 is an apocalyptic number.

12021302322 is an abundant number, since it is smaller than the sum of its proper divisors (14027405454).

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

12021302322 is a wasteful number, since it uses less digits than its factorization.

12021302322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65462 (or 65459 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12021302322 its reverse (22320312021), we get a palindrome (34341614343).

The spelling of 12021302322 in words is "twelve billion, twenty-one million, three hundred two thousand, three hundred twenty-two".