12440234001269 has 2 divisors, whose sum is σ = 12440234001270. Its totient is φ = 12440234001268.

The previous prime is 12440234001229. The next prime is 12440234001311. The reversal of 12440234001269 is 96210043204421.

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., 11959582977169 + 480651024100 = 3458263^2 + 693290^2 .

It is a cyclic number.

It is not a de Polignac number, because 12440234001269 - 2¹² = 12440233997173 is a prime.

It is a super-2 number, since 2×12440234001269² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12440234001229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220117000634 + 6220117000635.

It is an arithmetic number, because the mean of its divisors is an integer number (6220117000635).

Almost surely, 2^{12440234001269} is an apocalyptic number.

It is an amenable number.

12440234001269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440234001269 is an equidigital number, since it uses as much as digits as its factorization.

12440234001269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 12440234001269 in words is "twelve trillion, four hundred forty billion, two hundred thirty-four million, one thousand, two hundred sixty-nine".