12012100211311 has 16 divisors (see below), whose sum is σ = 12183042936960. Its totient is φ = 11841640462080.

The previous prime is 12012100211291. The next prime is 12012100211333. The reversal of 12012100211311 is 11311200121021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12012100211311 - 2¹⁵ = 12012100178543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012100211351) 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, 184675251 + ... + 184740283.

It is an arithmetic number, because the mean of its divisors is an integer number (761440183560).

Almost surely, 2^{12012100211311} is an apocalyptic number.

12012100211311 is a deficient number, since it is larger than the sum of its proper divisors (170942725649).

12012100211311 is an equidigital number, since it uses as much as digits as its factorization.

12012100211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68706.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12012100211311 its reverse (11311200121021), we get a palindrome (23323300332332).

The spelling of 12012100211311 in words is "twelve trillion, twelve billion, one hundred million, two hundred eleven thousand, three hundred eleven".