13124413024521 has 12 divisors (see below), whose sum is σ = 17915640069168. Its totient is φ = 8546129407704.

The previous prime is 13124413024517. The next prime is 13124413024549. The reversal of 13124413024521 is 12542031442131.

It is not a de Polignac number, because 13124413024521 - 2² = 13124413024517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13124413024421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1183013475 + ... + 1183024568.

It is an arithmetic number, because the mean of its divisors is an integer number (1492970005764).

Almost surely, 2^{13124413024521} is an apocalyptic number.

It is an amenable number.

13124413024521 is a deficient number, since it is larger than the sum of its proper divisors (4791227044647).

13124413024521 is an equidigital number, since it uses as much as digits as its factorization.

13124413024521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366038132 (or 2366038089 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 13124413024521 its reverse (12542031442131), we get a palindrome (25666444466652).

The spelling of 13124413024521 in words is "thirteen trillion, one hundred twenty-four billion, four hundred thirteen million, twenty-four thousand, five hundred twenty-one".