1331120032000 has 432 divisors, whose sum is σ = 3803570499456. Its totient is φ = 462967296000.

The previous prime is 1331120031979. The next prime is 1331120032019. The reversal of 1331120032000 is 2300211331.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89048527 + ... + 89063473.

Almost surely, 2^{1331120032000} is an apocalyptic number.

1331120032000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331120032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1901785249728).

1331120032000 is an abundant number, since it is smaller than the sum of its proper divisors (2472450467456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331120032000 is a wasteful number, since it uses less digits than its factorization.

1331120032000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15023 (or 14988 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1331120032000 its reverse (2300211331), we get a palindrome (1333420243331).

The spelling of 1331120032000 in words is "one trillion, three hundred thirty-one billion, one hundred twenty million, thirty-two thousand".