12012020211101 has 8 divisors (see below), whose sum is σ = 12037014991224. Its totient is φ = 11987032861440.

The previous prime is 12012020211073. The next prime is 12012020211133. The reversal of 12012020211101 is 10111202021021.

It can be written as a sum of positive squares in 4 ways, for example, as 58612894201 + 11953407316900 = 242101^2 + 3457370^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12012020211101 - 2³⁴ = 11994840341917 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 (12012020210101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1384811 + ... + 5093303.

It is an arithmetic number, because the mean of its divisors is an integer number (1504626873903).

Almost surely, 2^{12012020211101} is an apocalyptic number.

It is an amenable number.

12012020211101 is a deficient number, since it is larger than the sum of its proper divisors (24994780123).

12012020211101 is an equidigital number, since it uses as much as digits as its factorization.

12012020211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715231.

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

Adding to 12012020211101 its reverse (10111202021021), we get a palindrome (22123222232122).

The spelling of 12012020211101 in words is "twelve trillion, twelve billion, twenty million, two hundred eleven thousand, one hundred one".