1223131310201 has 4 divisors (see below), whose sum is σ = 1225969202304. Its totient is φ = 1220293418100.

The previous prime is 1223131310161. The next prime is 1223131310239. The reversal of 1223131310201 is 1020131313221.

It is a happy number.

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 1223131310201 - 2¹⁰ = 1223131309177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223131310281) 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, 1418945405 + ... + 1418946266.

It is an arithmetic number, because the mean of its divisors is an integer number (306492300576).

Almost surely, 2^{1223131310201} is an apocalyptic number.

It is an amenable number.

1223131310201 is a deficient number, since it is larger than the sum of its proper divisors (2837892103).

1223131310201 is an equidigital number, since it uses as much as digits as its factorization.

1223131310201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837892102.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1223131310201 its reverse (1020131313221), we get a palindrome (2243262623422).

The spelling of 1223131310201 in words is "one trillion, two hundred twenty-three billion, one hundred thirty-one million, three hundred ten thousand, two hundred one".