12001203100312 has 32 divisors (see below), whose sum is σ = 23481442586880. Its totient is φ = 5739503473440.

The previous prime is 12001203100279. The next prime is 12001203100361. The reversal of 12001203100312 is 21300130210021.

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, 4149637 + ... + 6420427.

It is an arithmetic number, because the mean of its divisors is an integer number (733795080840).

Almost surely, 2^{12001203100312} is an apocalyptic number.

It is an amenable number.

12001203100312 is a deficient number, since it is larger than the sum of its proper divisors (11480239486568).

12001203100312 is a wasteful number, since it uses less digits than its factorization.

12001203100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299543 (or 2299539 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12001203100312 its reverse (21300130210021), we get a palindrome (33301333310333).

The spelling of 12001203100312 in words is "twelve trillion, one billion, two hundred three million, one hundred thousand, three hundred twelve".