12269495750656 has 117 divisors (see below), whose sum is σ = 24747150743121. Its totient is φ = 6082402271232.

The previous prime is 12269495750627. The next prime is 12269495750689. The reversal of 12269495750656 is 65605759496221.

The square root of 12269495750656 is 3502784.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11427212333056 + 842283417600 = 3380416^2 + 917760^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12269495750591 and 12269495750600.

It is an unprimeable number.

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 in 8 ways as a sum of consecutive naturals, for example, 51336802185 + ... + 51336802423.

Almost surely, 2^{12269495750656} is an apocalyptic number.

12269495750656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12269495750656 is the 3502784-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12269495750656

12269495750656 is an abundant number, since it is smaller than the sum of its proper divisors (12477654992465).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12269495750656 is an frugal number, since it uses more digits than its factorization.

12269495750656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 244944000, while the sum is 67.

The spelling of 12269495750656 in words is "twelve trillion, two hundred sixty-nine billion, four hundred ninety-five million, seven hundred fifty thousand, six hundred fifty-six".