1032312213221 has 8 divisors (see below), whose sum is σ = 1054292603520. Its totient is φ = 1010332502208.

The previous prime is 1032312213211. The next prime is 1032312213277. The reversal of 1032312213221 is 1223122132301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1032312213221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032312213211) 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, 3959330 + ... + 4211996.

It is an arithmetic number, because the mean of its divisors is an integer number (131786575440).

Almost surely, 2^{1032312213221} is an apocalyptic number.

It is an amenable number.

1032312213221 is a deficient number, since it is larger than the sum of its proper divisors (21980390299).

1032312213221 is an equidigital number, since it uses as much as digits as its factorization.

1032312213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339643.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1032312213221 its reverse (1223122132301), we get a palindrome (2255434345522).

The spelling of 1032312213221 in words is "one trillion, thirty-two billion, three hundred twelve million, two hundred thirteen thousand, two hundred twenty-one".