1320221012232 has 16 divisors (see below), whose sum is σ = 3300552530640. Its totient is φ = 440073670736.

The previous prime is 1320221012219. The next prime is 1320221012261. The reversal of 1320221012232 is 2322101220231.

It is a super-2 number, since 2×1320221012232² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320221012199 and 1320221012208.

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 3 ways as a sum of consecutive naturals, for example, 27504604398 + ... + 27504604445.

It is an arithmetic number, because the mean of its divisors is an integer number (206284533165).

Almost surely, 2^{1320221012232} is an apocalyptic number.

1320221012232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320221012232 is an abundant number, since it is smaller than the sum of its proper divisors (1980331518408).

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

1320221012232 is a wasteful number, since it uses less digits than its factorization.

1320221012232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55009208852 (or 55009208848 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1320221012232 its reverse (2322101220231), we get a palindrome (3642322232463).

The spelling of 1320221012232 in words is "one trillion, three hundred twenty billion, two hundred twenty-one million, twelve thousand, two hundred thirty-two".