13124213034021 has 32 divisors (see below), whose sum is σ = 20595053911680. Its totient is φ = 8231579106048.

The previous prime is 13124213034019. The next prime is 13124213034029. The reversal of 13124213034021 is 12043031242131.

13124213034021 is a `hidden beast` number, since 1 + 3 + 1 + 242 + 13 + 0 + 3 + 402 + 1 = 666.

It is not a de Polignac number, because 13124213034021 - 2¹ = 13124213034019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124213034029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4417471 + ... + 6764796.

It is an arithmetic number, because the mean of its divisors is an integer number (643595434740).

Almost surely, 2^{13124213034021} is an apocalyptic number.

It is an amenable number.

13124213034021 is a deficient number, since it is larger than the sum of its proper divisors (7470840877659).

13124213034021 is a wasteful number, since it uses less digits than its factorization.

13124213034021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11184850 (or 11184844 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 13124213034021 its reverse (12043031242131), we get a palindrome (25167244276152).

The spelling of 13124213034021 in words is "thirteen trillion, one hundred twenty-four billion, two hundred thirteen million, thirty-four thousand, twenty-one".