1269052243199 has 24 divisors (see below), whose sum is σ = 1385665283520. Its totient is φ = 1161672340608.

The previous prime is 1269052243163. The next prime is 1269052243231. The reversal of 1269052243199 is 9913422509621.

It is not a de Polignac number, because 1269052243199 - 2²⁸ = 1268783807743 is a prime.

It is a super-2 number, since 2×1269052243199² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1269052243199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1269052243159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13458314 + ... + 13552280.

It is an arithmetic number, because the mean of its divisors is an integer number (57736053480).

Almost surely, 2^{1269052243199} is an apocalyptic number.

1269052243199 is a deficient number, since it is larger than the sum of its proper divisors (116613040321).

1269052243199 is a wasteful number, since it uses less digits than its factorization.

1269052243199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94659 (or 94646 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 53.

It can be divided in two parts, 12690522 and 43199, that added together give a palindrome (12733721).

The spelling of 1269052243199 in words is "one trillion, two hundred sixty-nine billion, fifty-two million, two hundred forty-three thousand, one hundred ninety-nine".