1323111312132 has 48 divisors (see below), whose sum is σ = 3105906068160. Its totient is φ = 438375563392.

The previous prime is 1323111312121. The next prime is 1323111312151. The reversal of 1323111312132 is 2312131113231.

It is a nude number because it is divisible by every one of its digits.

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 15 ways as a sum of consecutive naturals, for example, 4667398 + ... + 4942754.

It is an arithmetic number, because the mean of its divisors is an integer number (64706376420).

Almost surely, 2^{1323111312132} is an apocalyptic number.

1323111312132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323111312132 is an abundant number, since it is smaller than the sum of its proper divisors (1782794756028).

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

1323111312132 is a wasteful number, since it uses less digits than its factorization.

1323111312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277780 (or 277778 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

Adding to 1323111312132 its reverse (2312131113231), we get a palindrome (3635242425363).

The spelling of 1323111312132 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, three hundred twelve thousand, one hundred thirty-two".