12534709001420 has 48 divisors (see below), whose sum is σ = 26344304542080. Its totient is φ = 5009805798144.

The previous prime is 12534709001407. The next prime is 12534709001449. The reversal of 12534709001420 is 2410090743521.

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 15 ways as a sum of consecutive naturals, for example, 158453117 + ... + 158532203.

It is an arithmetic number, because the mean of its divisors is an integer number (548839677960).

Almost surely, 2^{12534709001420} is an apocalyptic number.

12534709001420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12534709001420 is an abundant number, since it is smaller than the sum of its proper divisors (13809595540660).

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

12534709001420 is a wasteful number, since it uses less digits than its factorization.

12534709001420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85442 (or 85440 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 12534709001420 its reverse (2410090743521), we get a palindrome (14944799744941).

The spelling of 12534709001420 in words is "twelve trillion, five hundred thirty-four billion, seven hundred nine million, one thousand, four hundred twenty".