12534331422500 has 30 divisors (see below), whose sum is σ = 27410075960190. Its totient is φ = 5013732568000.

The previous prime is 12534331422461. The next prime is 12534331422511. The reversal of 12534331422500 is 522413343521.

12534331422500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 8555016610816 + 3979314811684 = 2924896^2 + 1994822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2506863785 + ... + 2506868784.

It is an arithmetic number, because the mean of its divisors is an integer number (913669198673).

Almost surely, 2^{12534331422500} is an apocalyptic number.

12534331422500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12534331422500 is an abundant number, since it is smaller than the sum of its proper divisors (14875744537690).

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

12534331422500 is an equidigital number, since it uses as much as digits as its factorization.

12534331422500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013732593 (or 5013732576 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 12534331422500 in words is "twelve trillion, five hundred thirty-four billion, three hundred thirty-one million, four hundred twenty-two thousand, five hundred".