12324334261561 has 16 divisors (see below), whose sum is σ = 14264119664640. Its totient is φ = 10429356834000.

The previous prime is 12324334261553. The next prime is 12324334261567. The reversal of 12324334261561 is 16516243342321.

It is a cyclic number.

It is not a de Polignac number, because 12324334261561 - 2³ = 12324334261553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12324334261567) 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, 8441436 + ... + 9793186.

It is an arithmetic number, because the mean of its divisors is an integer number (891507479040).

Almost surely, 2^{12324334261561} is an apocalyptic number.

It is an amenable number.

12324334261561 is a deficient number, since it is larger than the sum of its proper divisors (1939785403079).

12324334261561 is a wasteful number, since it uses less digits than its factorization.

12324334261561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368324.

The product of its digits is 622080, while the sum is 43.

The spelling of 12324334261561 in words is "twelve trillion, three hundred twenty-four billion, three hundred thirty-four million, two hundred sixty-one thousand, five hundred sixty-one".