12121113013 has 8 divisors (see below), whose sum is σ = 12450441600. Its totient is φ = 11791875600.

The previous prime is 12121112929. The next prime is 12121113029. The reversal of 12121113013 is 31031112121.

It is a happy number.

12121113013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12121113013 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 (12121114013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312888 + ... + 349486.

It is an arithmetic number, because the mean of its divisors is an integer number (1556305200).

Almost surely, 2^12121113013 is an apocalyptic number.

It is an amenable number.

12121113013 is a deficient number, since it is larger than the sum of its proper divisors (329328587).

12121113013 is an equidigital number, since it uses as much as digits as its factorization.

12121113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45587.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12121113013 its reverse (31031112121), we get a palindrome (43152225134).

The spelling of 12121113013 in words is "twelve billion, one hundred twenty-one million, one hundred thirteen thousand, thirteen".