1320232001001 has 16 divisors (see below), whose sum is σ = 1810834597824. Its totient is φ = 854969649984.

The previous prime is 1320232000973. The next prime is 1320232001047. The reversal of 1320232001001 is 1001002320231.

It is not a de Polignac number, because 1320232001001 - 2¹⁹ = 1320231476713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320232001801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9633411 + ... + 9769496.

It is an arithmetic number, because the mean of its divisors is an integer number (113177162364).

Almost surely, 2^{1320232001001} is an apocalyptic number.

It is an amenable number.

1320232001001 is a deficient number, since it is larger than the sum of its proper divisors (490602596823).

1320232001001 is a wasteful number, since it uses less digits than its factorization.

1320232001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19403560.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1320232001001 its reverse (1001002320231), we get a palindrome (2321234321232).

The spelling of 1320232001001 in words is "one trillion, three hundred twenty billion, two hundred thirty-two million, one thousand, one".