13120141210021 has 4 divisors (see below), whose sum is σ = 13120149024544. Its totient is φ = 13120133395500.

The previous prime is 13120141210019. The next prime is 13120141210037. The reversal of 13120141210021 is 12001214102131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13120141210021 - 2¹ = 13120141210019 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 (13120141210061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244035 + ... + 5128336.

It is an arithmetic number, because the mean of its divisors is an integer number (3280037256136).

Almost surely, 2^{13120141210021} is an apocalyptic number.

It is an amenable number.

13120141210021 is a deficient number, since it is larger than the sum of its proper divisors (7814523).

13120141210021 is an equidigital number, since it uses as much as digits as its factorization.

13120141210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814522.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 13120141210021 its reverse (12001214102131), we get a palindrome (25121355312152).

The spelling of 13120141210021 in words is "thirteen trillion, one hundred twenty billion, one hundred forty-one million, two hundred ten thousand, twenty-one".