12111210120201 has 16 divisors (see below), whose sum is σ = 16642697998080. Its totient is φ = 7829632898640.

The previous prime is 12111210120197. The next prime is 12111210120211. The reversal of 12111210120201 is 10202101211121.

It is a happy number.

It is not a de Polignac number, because 12111210120201 - 2² = 12111210120197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12111210120211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337699155 + ... + 337735016.

It is an arithmetic number, because the mean of its divisors is an integer number (1040168624880).

Almost surely, 2^{12111210120201} is an apocalyptic number.

It is an amenable number.

12111210120201 is a deficient number, since it is larger than the sum of its proper divisors (4531487877879).

12111210120201 is a wasteful number, since it uses less digits than its factorization.

12111210120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675434356.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12111210120201 its reverse (10202101211121), we get a palindrome (22313311331322).

The spelling of 12111210120201 in words is "twelve trillion, one hundred eleven billion, two hundred ten million, one hundred twenty thousand, two hundred one".