1232021530643 has 8 divisors (see below), whose sum is σ = 1234106457360. Its totient is φ = 1229937828480.

The previous prime is 1232021530627. The next prime is 1232021530687. The reversal of 1232021530643 is 3460351202321.

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

It is a cyclic number.

It is not a de Polignac number, because 1232021530643 - 2⁴ = 1232021530627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232021536643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1719071 + ... + 2327927.

It is an arithmetic number, because the mean of its divisors is an integer number (154263307170).

Almost surely, 2^{1232021530643} is an apocalyptic number.

1232021530643 is a deficient number, since it is larger than the sum of its proper divisors (2084926717).

1232021530643 is an equidigital number, since it uses as much as digits as its factorization.

1232021530643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612277.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 1232021530643 its reverse (3460351202321), we get a palindrome (4692372732964).

The spelling of 1232021530643 in words is "one trillion, two hundred thirty-two billion, twenty-one million, five hundred thirty thousand, six hundred forty-three".