1321032420001 has 8 divisors (see below), whose sum is σ = 1561811728320. Its totient is φ = 1093268209488.

The previous prime is 1321032419951. The next prime is 1321032420161. The reversal of 1321032420001 is 1000242301231.

It is a happy number.

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

It is not a de Polignac number, because 1321032420001 - 2⁷ = 1321032419873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321032423001) 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, 3253774231 + ... + 3253774636.

It is an arithmetic number, because the mean of its divisors is an integer number (195226466040).

Almost surely, 2^{1321032420001} is an apocalyptic number.

It is an amenable number.

1321032420001 is a deficient number, since it is larger than the sum of its proper divisors (240779308319).

1321032420001 is an equidigital number, since it uses as much as digits as its factorization.

1321032420001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507548903.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1321032420001 its reverse (1000242301231), we get a palindrome (2321274721232).

The spelling of 1321032420001 in words is "one trillion, three hundred twenty-one billion, thirty-two million, four hundred twenty thousand, one".