13044011213421 has 32 divisors (see below), whose sum is σ = 19412080593920. Its totient is φ = 8656582560192.

The previous prime is 13044011213407. The next prime is 13044011213507. The reversal of 13044011213421 is 12431211044031.

It is a happy number.

13044011213421 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 401 + 1 + 213 + 42 + 1 = 666.

It is not a de Polignac number, because 13044011213421 - 2¹³ = 13044011205229 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044011213621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161882475 + ... + 161963031.

It is an arithmetic number, because the mean of its divisors is an integer number (606627518560).

Almost surely, 2^{13044011213421} is an apocalyptic number.

It is an amenable number.

13044011213421 is a deficient number, since it is larger than the sum of its proper divisors (6368069380499).

13044011213421 is a wasteful number, since it uses less digits than its factorization.

13044011213421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107682 (or 107676 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 13044011213421 its reverse (12431211044031), we get a palindrome (25475222257452).

The spelling of 13044011213421 in words is "thirteen trillion, forty-four billion, eleven million, two hundred thirteen thousand, four hundred twenty-one".