1323112012120 has 32 divisors (see below), whose sum is σ = 3152119795200. Its totient is φ = 498112757248.

The previous prime is 1323112012063. The next prime is 1323112012141. The reversal of 1323112012120 is 212102113231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972875800 + ... + 972877159.

It is an arithmetic number, because the mean of its divisors is an integer number (98503743600).

Almost surely, 2^{1323112012120} is an apocalyptic number.

1323112012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323112012120 is an abundant number, since it is smaller than the sum of its proper divisors (1829007783080).

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

1323112012120 is a wasteful number, since it uses less digits than its factorization.

1323112012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945752987 (or 1945752983 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1323112012120 its reverse (212102113231), we get a palindrome (1535214125351).

The spelling of 1323112012120 in words is "one trillion, three hundred twenty-three billion, one hundred twelve million, twelve thousand, one hundred twenty".