1323254232120 has 256 divisors, whose sum is σ = 4157994384000. Its totient is φ = 336450093056.

The previous prime is 1323254232089. The next prime is 1323254232127. The reversal of 1323254232120 is 212324523231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323254232127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 302594254 + ... + 302598626.

Almost surely, 2^{1323254232120} is an apocalyptic number.

1323254232120 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 1323254232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2078997192000).

1323254232120 is an abundant number, since it is smaller than the sum of its proper divisors (2834740151880).

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

1323254232120 is a wasteful number, since it uses less digits than its factorization.

1323254232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5482 (or 5478 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1323254232120 its reverse (212324523231), we get a palindrome (1535578755351).

The spelling of 1323254232120 in words is "one trillion, three hundred twenty-three billion, two hundred fifty-four million, two hundred thirty-two thousand, one hundred twenty".