12125042033 has 32 divisors (see below), whose sum is σ = 14023497600. Its totient is φ = 10389620736.

The previous prime is 12125042023. The next prime is 12125042051. The reversal of 12125042033 is 33024052121.

It is not a de Polignac number, because 12125042033 - 2¹⁰ = 12125041009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12125042023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5143091 + ... + 5145447.

It is an arithmetic number, because the mean of its divisors is an integer number (438234300).

Almost surely, 2^12125042033 is an apocalyptic number.

12125042033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12125042033 is a deficient number, since it is larger than the sum of its proper divisors (1898455567).

12125042033 is a wasteful number, since it uses less digits than its factorization.

12125042033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12125042033 its reverse (33024052121), we get a palindrome (45149094154).

The spelling of 12125042033 in words is "twelve billion, one hundred twenty-five million, forty-two thousand, thirty-three".