12121502244011 has 16 divisors (see below), whose sum is σ = 12244426508160. Its totient is φ = 11999075874240.

The previous prime is 12121502243987. The next prime is 12121502244053. The reversal of 12121502244011 is 11044220512121.

12121502244011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12121502244011 - 2¹⁸ = 12121501981867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121502234011) 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, 85190135 + ... + 85332303.

It is an arithmetic number, because the mean of its divisors is an integer number (765276656760).

Almost surely, 2^{12121502244011} is an apocalyptic number.

12121502244011 is a deficient number, since it is larger than the sum of its proper divisors (122924264149).

12121502244011 is a wasteful number, since it uses less digits than its factorization.

12121502244011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143914.

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 12121502244011 its reverse (11044220512121), we get a palindrome (23165722756132).

The spelling of 12121502244011 in words is "twelve trillion, one hundred twenty-one billion, five hundred two million, two hundred forty-four thousand, eleven".