12121410245 has 16 divisors (see below), whose sum is σ = 16635317760. Its totient is φ = 8305989504.

The previous prime is 12121410199. The next prime is 12121410283. The reversal of 12121410245 is 54201412121.

12121410245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12121410245 - 2⁶ = 12121410181 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12121410245.

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 15 ways as a sum of consecutive naturals, for example, 70685 + ... + 170994.

It is an arithmetic number, because the mean of its divisors is an integer number (1039707360).

Almost surely, 2^12121410245 is an apocalyptic number.

It is an amenable number.

12121410245 is a deficient number, since it is larger than the sum of its proper divisors (4513907515).

12121410245 is a wasteful number, since it uses less digits than its factorization.

12121410245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243124.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 12121410245 its reverse (54201412121), we get a palindrome (66322822366).

The spelling of 12121410245 in words is "twelve billion, one hundred twenty-one million, four hundred ten thousand, two hundred forty-five".