1032312221000 has 64 divisors (see below), whose sum is σ = 2415835758960. Its totient is φ = 412886400000.

The previous prime is 1032312220999. The next prime is 1032312221029. The reversal of 1032312221000 is 1222132301.

It can be written as a sum of positive squares in 8 ways, for example, as 178207245316 + 854104975684 = 422146^2 + 924178^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1032312221000.

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 15 ways as a sum of consecutive naturals, for example, 12259040 + ... + 12342960.

Almost surely, 2^{1032312221000} is an apocalyptic number.

1032312221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032312221000 is an abundant number, since it is smaller than the sum of its proper divisors (1383523537960).

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

1032312221000 is a wasteful number, since it uses less digits than its factorization.

1032312221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96243 (or 96229 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1032312221000 its reverse (1222132301), we get a palindrome (1033534353301).

The spelling of 1032312221000 in words is "one trillion, thirty-two billion, three hundred twelve million, two hundred twenty-one thousand".