1323130232120 has 64 divisors (see below), whose sum is σ = 2990687857920. Its totient is φ = 526830567424.

The previous prime is 1323130232117. The next prime is 1323130232143. The reversal of 1323130232120 is 212320313231.

It is a super-2 number, since 2×1323130232120² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 10048952 + ... + 10179768.

It is an arithmetic number, because the mean of its divisors is an integer number (46729497780).

Almost surely, 2^{1323130232120} is an apocalyptic number.

1323130232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323130232120 is an abundant number, since it is smaller than the sum of its proper divisors (1667557625800).

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

1323130232120 is a wasteful number, since it uses less digits than its factorization.

1323130232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131984 (or 131980 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1323130232120 its reverse (212320313231), we get a palindrome (1535450545351).

The spelling of 1323130232120 in words is "one trillion, three hundred twenty-three billion, one hundred thirty million, two hundred thirty-two thousand, one hundred twenty".