13120141241021 has 8 divisors (see below), whose sum is σ = 13137891945144. Its totient is φ = 13102391877120.

The previous prime is 13120141241017. The next prime is 13120141241033. The reversal of 13120141241021 is 12014214102131.

It can be written as a sum of positive squares in 4 ways, for example, as 1832463079225 + 11287678161796 = 1353685^2 + 3359714^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13120141241021 - 2² = 13120141241017 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 (13120141249021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20098655 + ... + 20741171.

It is an arithmetic number, because the mean of its divisors is an integer number (1642236493143).

Almost surely, 2^{13120141241021} is an apocalyptic number.

It is an amenable number.

13120141241021 is a deficient number, since it is larger than the sum of its proper divisors (17750704123).

13120141241021 is an equidigital number, since it uses as much as digits as its factorization.

13120141241021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670111.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 13120141241021 its reverse (12014214102131), we get a palindrome (25134355343152).

The spelling of 13120141241021 in words is "thirteen trillion, one hundred twenty billion, one hundred forty-one million, two hundred forty-one thousand, twenty-one".