1320231432032 has 24 divisors (see below), whose sum is σ = 2599251410952. Its totient is φ = 660104089600.

The previous prime is 1320231432019. The next prime is 1320231432071. The reversal of 1320231432032 is 2302341320231.

It is a happy number.

It is a super-2 number, since 2×1320231432032² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320231431992 and 1320231432010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654307 + ... + 2318877.

It is an arithmetic number, because the mean of its divisors is an integer number (108302142123).

Almost surely, 2^{1320231432032} is an apocalyptic number.

It is an amenable number.

1320231432032 is a deficient number, since it is larger than the sum of its proper divisors (1279019978920).

1320231432032 is an equidigital number, since it uses as much as digits as its factorization.

1320231432032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726662 (or 726654 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1320231432032 its reverse (2302341320231), we get a palindrome (3622572752263).

The spelling of 1320231432032 in words is "one trillion, three hundred twenty billion, two hundred thirty-one million, four hundred thirty-two thousand, thirty-two".