13124404153021 has 16 divisors (see below), whose sum is σ = 15524564572800. Its totient is φ = 10855956500928.

The previous prime is 13124404152997. The next prime is 13124404153039. The reversal of 13124404153021 is 12035140442131.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-13124404153021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124404153051) 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, 16330891 + ... + 17115688.

It is an arithmetic number, because the mean of its divisors is an integer number (970285285800).

Almost surely, 2^{13124404153021} is an apocalyptic number.

It is an amenable number.

13124404153021 is a deficient number, since it is larger than the sum of its proper divisors (2400160419779).

13124404153021 is a wasteful number, since it uses less digits than its factorization.

13124404153021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33448548.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 13124404153021 its reverse (12035140442131), we get a palindrome (25159544595152).

The spelling of 13124404153021 in words is "thirteen trillion, one hundred twenty-four billion, four hundred four million, one hundred fifty-three thousand, twenty-one".