1232530521269 has 2 divisors, whose sum is σ = 1232530521270. Its totient is φ = 1232530521268.

The previous prime is 1232530521197. The next prime is 1232530521281. The reversal of 1232530521269 is 9621250352321.

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., 1147765110244 + 84765411025 = 1071338^2 + 291145^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232530521269 - 2¹⁶ = 1232530455733 is a prime.

It is a super-2 number, since 2×1232530521269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232530523269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616265260634 + 616265260635.

It is an arithmetic number, because the mean of its divisors is an integer number (616265260635).

Almost surely, 2^{1232530521269} is an apocalyptic number.

It is an amenable number.

1232530521269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232530521269 is an equidigital number, since it uses as much as digits as its factorization.

1232530521269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 1232530521269 in words is "one trillion, two hundred thirty-two billion, five hundred thirty million, five hundred twenty-one thousand, two hundred sixty-nine".