12521741405130 has 128 divisors (see below), whose sum is σ = 33494546396160. Its totient is φ = 3328814154240.

The previous prime is 12521741405101. The next prime is 12521741405141. The reversal of 12521741405130 is 3150414712521.

12521741405130 is a `hidden beast` number, since 1 + 2 + 5 + 217 + 4 + 1 + 405 + 1 + 30 = 666.

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, 289023870 + ... + 289067190.

It is an arithmetic number, because the mean of its divisors is an integer number (261676143720).

Almost surely, 2^{12521741405130} is an apocalyptic number.

12521741405130 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 12521741405130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16747273198080).

12521741405130 is an abundant number, since it is smaller than the sum of its proper divisors (20972804991030).

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

12521741405130 is a wasteful number, since it uses less digits than its factorization.

12521741405130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46621 (or 46615 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 12521741405130 in words is "twelve trillion, five hundred twenty-one billion, seven hundred forty-one million, four hundred five thousand, one hundred thirty".