125012531333 has 2 divisors, whose sum is σ = 125012531334. Its totient is φ = 125012531332.

The previous prime is 125012531311. The next prime is 125012531377. The reversal of 125012531333 is 333135210521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124738231489 + 274299844 = 353183^2 + 16562^2 .

It is a cyclic number.

It is not a de Polignac number, because 125012531333 - 2¹⁸ = 125012269189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125012531296 and 125012531305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125012531533) 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 as a sum of consecutive naturals, namely, 62506265666 + 62506265667.

It is an arithmetic number, because the mean of its divisors is an integer number (62506265667).

Almost surely, 2^125012531333 is an apocalyptic number.

It is an amenable number.

125012531333 is a deficient number, since it is larger than the sum of its proper divisors (1).

125012531333 is an equidigital number, since it uses as much as digits as its factorization.

125012531333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 125012531333 its reverse (333135210521), we get a palindrome (458147741854).

The spelling of 125012531333 in words is "one hundred twenty-five billion, twelve million, five hundred thirty-one thousand, three hundred thirty-three".