12001303123000 has 64 divisors (see below), whose sum is σ = 28089277070400. Its totient is φ = 4799456675200.

The previous prime is 12001303122929. The next prime is 12001303123013. The reversal of 12001303123000 is 32130310021.

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, 3188541 + ... + 5845459.

It is an arithmetic number, because the mean of its divisors is an integer number (438894954225).

Almost surely, 2^{12001303123000} is an apocalyptic number.

12001303123000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001303123000 is an abundant number, since it is smaller than the sum of its proper divisors (16087973947400).

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

12001303123000 is a wasteful number, since it uses less digits than its factorization.

12001303123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661457 (or 2661443 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12001303123000 its reverse (32130310021), we get a palindrome (12033433433021).

The spelling of 12001303123000 in words is "twelve trillion, one billion, three hundred three million, one hundred twenty-three thousand".