12665342645130 has 128 divisors (see below), whose sum is σ = 35202933351936. Its totient is φ = 2856488832000.

The previous prime is 12665342645119. The next prime is 12665342645147. The reversal of 12665342645130 is 3154624356621.

It is a super-2 number, since 2×12665342645130² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12665342645130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5195520 + ... + 7233540.

It is an arithmetic number, because the mean of its divisors is an integer number (275022916812).

Almost surely, 2^{12665342645130} is an apocalyptic number.

12665342645130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12665342645130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17601466675968).

12665342645130 is an abundant number, since it is smaller than the sum of its proper divisors (22537590706806).

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

12665342645130 is a wasteful number, since it uses less digits than its factorization.

12665342645130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038432.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 12665342645130 in words is "twelve trillion, six hundred sixty-five billion, three hundred forty-two million, six hundred forty-five thousand, one hundred thirty".