1323121303332 has 48 divisors (see below), whose sum is σ = 3432567257280. Its totient is φ = 440750793024.

The previous prime is 1323121303291. The next prime is 1323121303349. The reversal of 1323121303332 is 2333031213231.

1323121303332 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 1 + 21 + 303 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1323121303296 and 1323121303305.

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, 3857553 + ... + 4186520.

It is an arithmetic number, because the mean of its divisors is an integer number (71511817860).

Almost surely, 2^{1323121303332} is an apocalyptic number.

1323121303332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323121303332 is an abundant number, since it is smaller than the sum of its proper divisors (2109445953948).

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

1323121303332 is a wasteful number, since it uses less digits than its factorization.

1323121303332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8045609 (or 8045601 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1323121303332 its reverse (2333031213231), we get a palindrome (3656152516563).

The spelling of 1323121303332 in words is "one trillion, three hundred twenty-three billion, one hundred twenty-one million, three hundred three thousand, three hundred thirty-two".