12534513443152 has 40 divisors (see below), whose sum is σ = 25126878596040. Its totient is φ = 6050223459840.

The previous prime is 12534513443143. The next prime is 12534513443159. The reversal of 12534513443152 is 25134431543521.

It can be written as a sum of positive squares in 4 ways, for example, as 67654090816 + 12466859352336 = 260104^2 + 3530844^2 .

It is a super-2 number, since 2×12534513443152² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12534513443099 and 12534513443108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534513443159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001158 + ... + 5106010.

It is an arithmetic number, because the mean of its divisors is an integer number (628171964901).

Almost surely, 2^{12534513443152} is an apocalyptic number.

It is an amenable number.

12534513443152 is an abundant number, since it is smaller than the sum of its proper divisors (12592365152888).

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

12534513443152 is a wasteful number, since it uses less digits than its factorization.

12534513443152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111471 (or 4111465 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

Adding to 12534513443152 its reverse (25134431543521), we get a palindrome (37668944986673).

The spelling of 12534513443152 in words is "twelve trillion, five hundred thirty-four billion, five hundred thirteen million, four hundred forty-three thousand, one hundred fifty-two".