12534005033040 has 80 divisors (see below), whose sum is σ = 38858225914368. Its totient is φ = 3342159595008.

The previous prime is 12534005033021. The next prime is 12534005033047. The reversal of 12534005033040 is 4033050043521.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12534005032989 and 12534005033007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534005033047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1448769 + ... + 5212191.

Almost surely, 2^{12534005033040} is an apocalyptic number.

12534005033040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12534005033040 is an abundant number, since it is smaller than the sum of its proper divisors (26324220881328).

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

12534005033040 is a wasteful number, since it uses less digits than its factorization.

12534005033040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777316 (or 3777310 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 12534005033040 its reverse (4033050043521), we get a palindrome (16567055076561).

The spelling of 12534005033040 in words is "twelve trillion, five hundred thirty-four billion, five million, thirty-three thousand, forty".