201223102112309 has 4 divisors (see below), whose sum is σ = 204633663165120. Its totient is φ = 197812541059500.

The previous prime is 201223102112303. The next prime is 201223102112369. The reversal of 201223102112309 is 903211201322102.

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-201223102112309 is a prime.

It is a super-2 number, since 2×201223102112309² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201223102112303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705280526317 + ... + 1705280526434.

It is an arithmetic number, because the mean of its divisors is an integer number (51158415791280).

Almost surely, 2^{201223102112309} is an apocalyptic number.

It is an amenable number.

201223102112309 is a deficient number, since it is larger than the sum of its proper divisors (3410561052811).

201223102112309 is an equidigital number, since it uses as much as digits as its factorization.

201223102112309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410561052810.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 201223102112309 in words is "two hundred one trillion, two hundred twenty-three billion, one hundred two million, one hundred twelve thousand, three hundred nine".