2012120111201 has 4 divisors (see below), whose sum is σ = 2015967377712. Its totient is φ = 2008272844692.

The previous prime is 2012120111189. The next prime is 2012120111203. The reversal of 2012120111201 is 1021110212102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012120111201 - 2²² = 2012115916897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012120111203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923632471 + ... + 1923633516.

It is an arithmetic number, because the mean of its divisors is an integer number (503991844428).

Almost surely, 2^{2012120111201} is an apocalyptic number.

It is an amenable number.

2012120111201 is a deficient number, since it is larger than the sum of its proper divisors (3847266511).

2012120111201 is an equidigital number, since it uses as much as digits as its factorization.

2012120111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847266510.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2012120111201 its reverse (1021110212102), we get a palindrome (3033230323303).

The spelling of 2012120111201 in words is "two trillion, twelve billion, one hundred twenty million, one hundred eleven thousand, two hundred one".