12120234413 has 4 divisors (see below), whose sum is σ = 13851696480. Its totient is φ = 10388772348.

The previous prime is 12120234361. The next prime is 12120234461. The reversal of 12120234413 is 31443202121.

12120234413 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12120234413 - 2⁸ = 12120234157 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 (12120234493) 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, 865731023 + ... + 865731036.

It is an arithmetic number, because the mean of its divisors is an integer number (3462924120).

Almost surely, 2^12120234413 is an apocalyptic number.

It is an amenable number.

12120234413 is a deficient number, since it is larger than the sum of its proper divisors (1731462067).

12120234413 is an equidigital number, since it uses as much as digits as its factorization.

12120234413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731462066.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12120234413 its reverse (31443202121), we get a palindrome (43563436534).

The spelling of 12120234413 in words is "twelve billion, one hundred twenty million, two hundred thirty-four thousand, four hundred thirteen".