12121244102 has 16 divisors (see below), whose sum is σ = 19845568512. Its totient is φ = 5506654920.

The previous prime is 12121244089. The next prime is 12121244147. The reversal of 12121244102 is 20144212121.

12121244102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 108518 + ... + 189785.

It is an arithmetic number, because the mean of its divisors is an integer number (1240348032).

Almost surely, 2^12121244102 is an apocalyptic number.

12121244102 is a deficient number, since it is larger than the sum of its proper divisors (7724324410).

12121244102 is a wasteful number, since it uses less digits than its factorization.

12121244102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300163.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12121244102 its reverse (20144212121), we get a palindrome (32265456223).

The spelling of 12121244102 in words is "twelve billion, one hundred twenty-one million, two hundred forty-four thousand, one hundred two".