13041232121 has 8 divisors (see below), whose sum is σ = 13425679680. Its totient is φ = 12658467888.

The previous prime is 13041232091. The next prime is 13041232123. The reversal of 13041232121 is 12123214031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13041232121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13041232093 and 13041232102.

It is not an unprimeable number, because it can be changed into a prime (13041232123) 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, 405101 + ... + 436106.

It is an arithmetic number, because the mean of its divisors is an integer number (1678209960).

Almost surely, 2^13041232121 is an apocalyptic number.

It is an amenable number.

13041232121 is a deficient number, since it is larger than the sum of its proper divisors (384447559).

13041232121 is an equidigital number, since it uses as much as digits as its factorization.

13041232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841663.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13041232121 its reverse (12123214031), we get a palindrome (25164446152).

The spelling of 13041232121 in words is "thirteen billion, forty-one million, two hundred thirty-two thousand, one hundred twenty-one".