12535241234140 has 48 divisors (see below), whose sum is σ = 27935968737600. Its totient is φ = 4708399813632.

The previous prime is 12535241234119. The next prime is 12535241234149. The reversal of 12535241234140 is 4143214253521.

It is a self number, because there is not a number n which added to its sum of digits gives 12535241234140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12535241234149) 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, 41842035 + ... + 42140554.

It is an arithmetic number, because the mean of its divisors is an integer number (581999348700).

Almost surely, 2^{12535241234140} is an apocalyptic number.

12535241234140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12535241234140 is an abundant number, since it is smaller than the sum of its proper divisors (15400727503460).

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

12535241234140 is a wasteful number, since it uses less digits than its factorization.

12535241234140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83983054 (or 83983052 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 12535241234140 its reverse (4143214253521), we get a palindrome (16678455487661).

The spelling of 12535241234140 in words is "twelve trillion, five hundred thirty-five billion, two hundred forty-one million, two hundred thirty-four thousand, one hundred forty".