12056556553140 has 192 divisors, whose sum is σ = 38997714954240. Its totient is φ = 2752388789760.

The previous prime is 12056556553109. The next prime is 12056556553163. The reversal of 12056556553140 is 4135565565021.

12056556553140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12056556553140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 784407 + ... + 4972766.

It is an arithmetic number, because the mean of its divisors is an integer number (203113098720).

Almost surely, 2^{12056556553140} is an apocalyptic number.

12056556553140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12056556553140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19498857477120).

12056556553140 is an abundant number, since it is smaller than the sum of its proper divisors (26941158401100).

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

12056556553140 is a wasteful number, since it uses less digits than its factorization.

12056556553140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757382 (or 5757380 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 48.

The spelling of 12056556553140 in words is "twelve trillion, fifty-six billion, five hundred fifty-six million, five hundred fifty-three thousand, one hundred forty".