13124443233021 has 16 divisors (see below), whose sum is σ = 18812191872000. Its totient is φ = 8112757741488.

The previous prime is 13124443232987. The next prime is 13124443233037. The reversal of 13124443233021 is 12033234442131.

It is not a de Polignac number, because 13124443233021 - 2¹⁷ = 13124443101949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124443233071) 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, 2449501471 + ... + 2449506828.

It is an arithmetic number, because the mean of its divisors is an integer number (1175761992000).

Almost surely, 2^{13124443233021} is an apocalyptic number.

It is an amenable number.

13124443233021 is a deficient number, since it is larger than the sum of its proper divisors (5687748638979).

13124443233021 is a wasteful number, since it uses less digits than its factorization.

13124443233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899008368.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 13124443233021 its reverse (12033234442131), we get a palindrome (25157677675152).

The spelling of 13124443233021 in words is "thirteen trillion, one hundred twenty-four billion, four hundred forty-three million, two hundred thirty-three thousand, twenty-one".