12054336728560 has 160 divisors (see below), whose sum is σ = 32280833894400. Its totient is φ = 4100627635200.

The previous prime is 12054336728527. The next prime is 12054336728561. The reversal of 12054336728560 is 6582763345021.

It is a junction number, because it is equal to n+sod(n) for n = 12054336728498 and 12054336728507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054336728561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70860886 + ... + 71030794.

It is an arithmetic number, because the mean of its divisors is an integer number (201755211840).

Almost surely, 2^{12054336728560} is an apocalyptic number.

12054336728560 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 12054336728560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16140416947200).

12054336728560 is an abundant number, since it is smaller than the sum of its proper divisors (20226497165840).

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

12054336728560 is a wasteful number, since it uses less digits than its factorization.

12054336728560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170919 (or 170913 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 12054336728560 in words is "twelve trillion, fifty-four billion, three hundred thirty-six million, seven hundred twenty-eight thousand, five hundred sixty".