2012121111201 has 8 divisors (see below), whose sum is σ = 2682973389024. Its totient is φ = 1341341453760.

The previous prime is 2012121111191. The next prime is 2012121111233. The reversal of 2012121111201 is 1021111212102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012121111201 - 2⁹ = 2012121110689 is a prime.

It is a super-2 number, since 2×2012121111201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012121131201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18090411 + ... + 18201296.

It is an arithmetic number, because the mean of its divisors is an integer number (335371673628).

Almost surely, 2^{2012121111201} is an apocalyptic number.

It is an amenable number.

2012121111201 is a deficient number, since it is larger than the sum of its proper divisors (670852277823).

2012121111201 is a wasteful number, since it uses less digits than its factorization.

2012121111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36310191.

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

Adding to 2012121111201 its reverse (1021111212102), we get a palindrome (3033232323303).

The spelling of 2012121111201 in words is "two trillion, twelve billion, one hundred twenty-one million, one hundred eleven thousand, two hundred one".