1232445221269 has 2 divisors, whose sum is σ = 1232445221270. Its totient is φ = 1232445221268.

The previous prime is 1232445221243. The next prime is 1232445221299. The reversal of 1232445221269 is 9621225442321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1031169166225 + 201276055044 = 1015465^2 + 448638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232445221269 - 2¹¹ = 1232445219221 is a prime.

It is a super-2 number, since 2×1232445221269² (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 (1232445221209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616222610634 + 616222610635.

It is an arithmetic number, because the mean of its divisors is an integer number (616222610635).

Almost surely, 2^{1232445221269} is an apocalyptic number.

It is an amenable number.

1232445221269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232445221269 is an equidigital number, since it uses as much as digits as its factorization.

1232445221269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The spelling of 1232445221269 in words is "one trillion, two hundred thirty-two billion, four hundred forty-five million, two hundred twenty-one thousand, two hundred sixty-nine".