332221320012 has 24 divisors (see below), whose sum is σ = 779513716800. Its totient is φ = 110121777616.

The previous prime is 332221320001. The next prime is 332221320017. The reversal of 332221320012 is 210023122233.

It is a happy number.

It is a super-2 number, since 2×332221320012² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (332221320017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77330562 + ... + 77334857.

It is an arithmetic number, because the mean of its divisors is an integer number (32479738200).

Almost surely, 2^332221320012 is an apocalyptic number.

It is an amenable number.

332221320012 is an abundant number, since it is smaller than the sum of its proper divisors (447292396788).

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

332221320012 is a wasteful number, since it uses less digits than its factorization.

332221320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154665605 (or 154665603 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 332221320012 its reverse (210023122233), we get a palindrome (542244442245).

The spelling of 332221320012 in words is "three hundred thirty-two billion, two hundred twenty-one million, three hundred twenty thousand, twelve".