1321152310016 has 72 divisors (see below), whose sum is σ = 3287867729664. Its totient is φ = 514734658560.

The previous prime is 1321152310001. The next prime is 1321152310063. The reversal of 1321152310016 is 6100132511231.

It is a super-3 number, since 3×1321152310016³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33491660 + ... + 33531083.

Almost surely, 2^{1321152310016} is an apocalyptic number.

1321152310016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1321152310016 is an abundant number, since it is smaller than the sum of its proper divisors (1966715419648).

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

1321152310016 is an equidigital number, since it uses as much as digits as its factorization.

1321152310016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67022777 (or 67022763 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 1321152310016 its reverse (6100132511231), we get a palindrome (7421284821247).

The spelling of 1321152310016 in words is "one trillion, three hundred twenty-one billion, one hundred fifty-two million, three hundred ten thousand, sixteen".