12125540033 has 4 divisors (see below), whose sum is σ = 12170616660. Its totient is φ = 12080463408.

The previous prime is 12125540027. The next prime is 12125540041. The reversal of 12125540033 is 33004552121.

It is a happy number.

12125540033 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.

It can be written as a sum of positive squares in 2 ways, for example, as 368908849 + 11756631184 = 19207^2 + 108428^2 .

It is a cyclic number.

It is not a de Polignac number, because 12125540033 - 2¹² = 12125535937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12125539984 and 12125540011.

It is not an unprimeable number, because it can be changed into a prime (12125540093) 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, 22537910 + ... + 22538447.

It is an arithmetic number, because the mean of its divisors is an integer number (3042654165).

Almost surely, 2^12125540033 is an apocalyptic number.

It is an amenable number.

12125540033 is a deficient number, since it is larger than the sum of its proper divisors (45076627).

12125540033 is an equidigital number, since it uses as much as digits as its factorization.

12125540033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45076626.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 12125540033 in words is "twelve billion, one hundred twenty-five million, five hundred forty thousand, thirty-three".