12354647661324 has 96 divisors (see below), whose sum is σ = 32918308597440. Its totient is φ = 4004227021824.

The previous prime is 12354647661299. The next prime is 12354647661331. The reversal of 12354647661324 is 42316674645321.

12354647661324 is a `hidden beast` number, since 1 + 2 + 3 + 546 + 4 + 7 + 6 + 61 + 32 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4930612 + ... + 7001444.

It is an arithmetic number, because the mean of its divisors is an integer number (342899047890).

Almost surely, 2^{12354647661324} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12354647661324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16459154298720).

12354647661324 is an abundant number, since it is smaller than the sum of its proper divisors (20563660936116).

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

12354647661324 is a wasteful number, since it uses less digits than its factorization.

12354647661324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072376 (or 2072368 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 54.

The spelling of 12354647661324 in words is "twelve trillion, three hundred fifty-four billion, six hundred forty-seven million, six hundred sixty-one thousand, three hundred twenty-four".