1323012102000 has 80 divisors (see below), whose sum is σ = 4265391036192. Its totient is φ = 352803225600.

The previous prime is 1323012101989. The next prime is 1323012102011. The reversal of 1323012102000 is 2012103231.

It is an interprime number because it is at equal distance from previous prime (1323012101989) and next prime (1323012102011).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1323012102000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 110245009 + ... + 110257008.

Almost surely, 2^{1323012102000} is an apocalyptic number.

1323012102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323012102000 is an abundant number, since it is smaller than the sum of its proper divisors (2942378934192).

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

1323012102000 is a wasteful number, since it uses less digits than its factorization.

1323012102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220502043 (or 220502027 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1323012102000 its reverse (2012103231), we get a palindrome (1325024205231).

The spelling of 1323012102000 in words is "one trillion, three hundred twenty-three billion, twelve million, one hundred two thousand".