13001232001229 has 4 divisors (see below), whose sum is σ = 13001239492476. Its totient is φ = 13001224509984.

The previous prime is 13001232001217. The next prime is 13001232001267. The reversal of 13001232001229 is 92210023210031.

13001232001229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10451493697129 + 2549738304100 = 3232877^2 + 1596790^2 .

It is a cyclic number.

It is not a de Polignac number, because 13001232001229 - 2¹² = 13001231997133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13001232001198 and 13001232001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001232021229) 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, 351617 + ... + 5111369.

It is an arithmetic number, because the mean of its divisors is an integer number (3250309873119).

Almost surely, 2^{13001232001229} is an apocalyptic number.

It is an amenable number.

13001232001229 is a deficient number, since it is larger than the sum of its proper divisors (7491247).

13001232001229 is an equidigital number, since it uses as much as digits as its factorization.

13001232001229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7491246.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 13001232001229 in words is "thirteen trillion, one billion, two hundred thirty-two million, one thousand, two hundred twenty-nine".