12001200011000 has 64 divisors (see below), whose sum is σ = 28178654474880. Its totient is φ = 4784095996800.

The previous prime is 12001200010999. The next prime is 12001200011083. The reversal of 12001200011000 is 11000210021.

It is a Harshad number since it is a multiple of its sum of digits (8).

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, 20186864 + ... + 20772863.

It is an arithmetic number, because the mean of its divisors is an integer number (440291476170).

Almost surely, 2^{12001200011000} is an apocalyptic number.

12001200011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001200011000 is an abundant number, since it is smaller than the sum of its proper divisors (16177454463880).

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

12001200011000 is a wasteful number, since it uses less digits than its factorization.

12001200011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40960041 (or 40960027 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12001200011000 its reverse (11000210021), we get a palindrome (12012200221021).

The spelling of 12001200011000 in words is "twelve trillion, one billion, two hundred million, eleven thousand".