13212320223101 has 4 divisors (see below), whose sum is σ = 13212506354304. Its totient is φ = 13212134091900.

The previous prime is 13212320223077. The next prime is 13212320223103. The reversal of 13212320223101 is 10132202321231.

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 a de Polignac number, because none of the positive numbers 2^k-13212320223101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212320223103) 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, 92959085 + ... + 93101106.

It is an arithmetic number, because the mean of its divisors is an integer number (3303126588576).

Almost surely, 2^{13212320223101} is an apocalyptic number.

It is an amenable number.

13212320223101 is a deficient number, since it is larger than the sum of its proper divisors (186131203).

13212320223101 is an equidigital number, since it uses as much as digits as its factorization.

13212320223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186131202.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13212320223101 its reverse (10132202321231), we get a palindrome (23344522544332).

The spelling of 13212320223101 in words is "thirteen trillion, two hundred twelve billion, three hundred twenty million, two hundred twenty-three thousand, one hundred one".