13011221201 has 8 divisors (see below), whose sum is σ = 15029004384. Its totient is φ = 11132595520.

The previous prime is 13011221191. The next prime is 13011221213. The reversal of 13011221201 is 10212211031.

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

It is not a de Polignac number, because 13011221201 - 2¹⁸ = 13010959057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13011221281) 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, 34789175 + ... + 34789548.

It is an arithmetic number, because the mean of its divisors is an integer number (1878625548).

Almost surely, 2^13011221201 is an apocalyptic number.

13011221201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13011221201 is a deficient number, since it is larger than the sum of its proper divisors (2017783183).

13011221201 is a wasteful number, since it uses less digits than its factorization.

13011221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69578751.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13011221201 its reverse (10212211031), we get a palindrome (23223432232).

The spelling of 13011221201 in words is "thirteen billion, eleven million, two hundred twenty-one thousand, two hundred one".