12121110313133 has 4 divisors (see below), whose sum is σ = 12133991408988. Its totient is φ = 12108229217280.

The previous prime is 12121110313069. The next prime is 12121110313157. The reversal of 12121110313133 is 33131301112121.

12121110313133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3393564518569 + 8727545794564 = 1842163^2 + 2954242^2 .

It is a cyclic number.

It is not a de Polignac number, because 12121110313133 - 2⁶ = 12121110313069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12121110313099 and 12121110313108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121110315133) 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, 6440546516 + ... + 6440548397.

It is an arithmetic number, because the mean of its divisors is an integer number (3033497852247).

Almost surely, 2^{12121110313133} is an apocalyptic number.

It is an amenable number.

12121110313133 is a deficient number, since it is larger than the sum of its proper divisors (12881095855).

12121110313133 is an equidigital number, since it uses as much as digits as its factorization.

12121110313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12881095854.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 12121110313133 its reverse (33131301112121), we get a palindrome (45252411425254).

The spelling of 12121110313133 in words is "twelve trillion, one hundred twenty-one billion, one hundred ten million, three hundred thirteen thousand, one hundred thirty-three".