2412345121 has 4 divisors (see below), whose sum is σ = 2415284244. Its totient is φ = 2409406000.

The previous prime is 2412345119. The next prime is 2412345157. The reversal of 2412345121 is 1215432142.

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 605160000 + 1807185121 = 24600^2 + 42511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2412345121 - 2¹ = 2412345119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2412345421) 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 3 ways as a sum of consecutive naturals, for example, 1468330 + ... + 1469971.

It is an arithmetic number, because the mean of its divisors is an integer number (603821061).

Almost surely, 2^2412345121 is an apocalyptic number.

It is an amenable number.

2412345121 is a deficient number, since it is larger than the sum of its proper divisors (2939123).

2412345121 is an equidigital number, since it uses as much as digits as its factorization.

2412345121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939122.

The product of its digits is 1920, while the sum is 25.

The square root of 2412345121 is about 49115.6301089582. The cubic root of 2412345121 is about 1341.1575949625.

Adding to 2412345121 its reverse (1215432142), we get a palindrome (3627777263).

The spelling of 2412345121 in words is "two billion, four hundred twelve million, three hundred forty-five thousand, one hundred twenty-one".