1323231332120 has 64 divisors (see below), whose sum is σ = 3026346926400. Its totient is φ = 520569377280.

The previous prime is 1323231332113. The next prime is 1323231332209. The reversal of 1323231332120 is 212331323231.

It is a self number, because there is not a number n which added to its sum of digits gives 1323231332120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43804862 + ... + 43835058.

It is an arithmetic number, because the mean of its divisors is an integer number (47286670725).

Almost surely, 2^{1323231332120} is an apocalyptic number.

1323231332120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323231332120 is an abundant number, since it is smaller than the sum of its proper divisors (1703115594280).

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

1323231332120 is a wasteful number, since it uses less digits than its factorization.

1323231332120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48228 (or 48224 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1323231332120 its reverse (212331323231), we get a palindrome (1535562655351).

The spelling of 1323231332120 in words is "one trillion, three hundred twenty-three billion, two hundred thirty-one million, three hundred thirty-two thousand, one hundred twenty".