12120143045 has 8 divisors (see below), whose sum is σ = 14898907800. Its totient is φ = 9459623680.

The previous prime is 12120143041. The next prime is 12120143053. The reversal of 12120143045 is 54034102121.

12120143045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 657871201 + 11462271844 = 25649^2 + 107062^2 .

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

It is not a de Polignac number, because 12120143045 - 2² = 12120143041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12120143045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120143041) 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, 29561120 + ... + 29561529.

It is an arithmetic number, because the mean of its divisors is an integer number (1862363475).

Almost surely, 2^12120143045 is an apocalyptic number.

It is an amenable number.

12120143045 is a deficient number, since it is larger than the sum of its proper divisors (2778764755).

12120143045 is an equidigital number, since it uses as much as digits as its factorization.

12120143045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59122695.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12120143045 its reverse (54034102121), we get a palindrome (66154245166).

The spelling of 12120143045 in words is "twelve billion, one hundred twenty million, one hundred forty-three thousand, forty-five".