12002011323000 has 128 divisors (see below), whose sum is σ = 37973688330240. Its totient is φ = 3155458320000.

The previous prime is 12002011322981. The next prime is 12002011323013. The reversal of 12002011323000 is 32311020021.

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 31 ways as a sum of consecutive naturals, for example, 27960736 + ... + 28386735.

It is an arithmetic number, because the mean of its divisors is an integer number (296669440080).

Almost surely, 2^{12002011323000} is an apocalyptic number.

12002011323000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002011323000 is an abundant number, since it is smaller than the sum of its proper divisors (25971677007240).

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

12002011323000 is a wasteful number, since it uses less digits than its factorization.

12002011323000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56347566 (or 56347552 counting only the distinct ones).

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

Adding to 12002011323000 its reverse (32311020021), we get a palindrome (12034322343021).

The spelling of 12002011323000 in words is "twelve trillion, two billion, eleven million, three hundred twenty-three thousand".