13132031121021 has 16 divisors (see below), whose sum is σ = 18276933006720. Its totient is φ = 8371170033600.

The previous prime is 13132031121017. The next prime is 13132031121029. The reversal of 13132031121021 is 12012113023131.

It is not a de Polignac number, because 13132031121021 - 2² = 13132031121017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132031121029) 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, 32511430 + ... + 32912871.

It is an arithmetic number, because the mean of its divisors is an integer number (1142308312920).

Almost surely, 2^{13132031121021} is an apocalyptic number.

It is an amenable number.

13132031121021 is a deficient number, since it is larger than the sum of its proper divisors (5144901885699).

13132031121021 is a wasteful number, since it uses less digits than its factorization.

13132031121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65427236.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13132031121021 its reverse (12012113023131), we get a palindrome (25144144144152).

The spelling of 13132031121021 in words is "thirteen trillion, one hundred thirty-two billion, thirty-one million, one hundred twenty-one thousand, twenty-one".