12125675533 has 2 divisors, whose sum is σ = 12125675534. Its totient is φ = 12125675532.

The previous prime is 12125675491. The next prime is 12125675539. The reversal of 12125675533 is 33557652121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11701397929 + 424277604 = 108173^2 + 20598^2 .

It is a cyclic number.

It is not a de Polignac number, because 12125675533 - 2⁹ = 12125675021 is a prime.

It is a super-3 number, since 3×12125675533³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12125675539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062837766 + 6062837767.

It is an arithmetic number, because the mean of its divisors is an integer number (6062837767).

Almost surely, 2^12125675533 is an apocalyptic number.

It is an amenable number.

12125675533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12125675533 is an equidigital number, since it uses as much as digits as its factorization.

12125675533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 40.

The spelling of 12125675533 in words is "twelve billion, one hundred twenty-five million, six hundred seventy-five thousand, five hundred thirty-three".