12326588350781 has 16 divisors (see below), whose sum is σ = 13176562054656. Its totient is φ = 11503405344816.

The previous prime is 12326588350751. The next prime is 12326588350799. The reversal of 12326588350781 is 18705388562321.

It is a cyclic number.

It is not a de Polignac number, because 12326588350781 - 2¹⁴ = 12326588334397 is a prime.

It is a super-2 number, since 2×12326588350781² (a number of 27 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 12326588350781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12326588350751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6184295 + ... + 7930868.

It is an arithmetic number, because the mean of its divisors is an integer number (823535128416).

Almost surely, 2^{12326588350781} is an apocalyptic number.

It is an amenable number.

12326588350781 is a deficient number, since it is larger than the sum of its proper divisors (849973703875).

12326588350781 is a wasteful number, since it uses less digits than its factorization.

12326588350781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14116112.

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 12326588350781 in words is "twelve trillion, three hundred twenty-six billion, five hundred eighty-eight million, three hundred fifty thousand, seven hundred eighty-one".