13220012031001 has 4 divisors (see below), whose sum is σ = 13417325643472. Its totient is φ = 13022698418532.

The previous prime is 13220012030923. The next prime is 13220012031011. The reversal of 13220012031001 is 10013021002231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13220012031001 - 2²¹ = 13220009933849 is a prime.

It is a super-3 number, since 3×13220012031001³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220012031011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98656806135 + ... + 98656806268.

It is an arithmetic number, because the mean of its divisors is an integer number (3354331410868).

Almost surely, 2^{13220012031001} is an apocalyptic number.

It is an amenable number.

13220012031001 is a deficient number, since it is larger than the sum of its proper divisors (197313612471).

13220012031001 is an equidigital number, since it uses as much as digits as its factorization.

13220012031001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197313612470.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13220012031001 its reverse (10013021002231), we get a palindrome (23233033033232).

The spelling of 13220012031001 in words is "thirteen trillion, two hundred twenty billion, twelve million, thirty-one thousand, one".