195211235227 has 4 divisors (see below), whose sum is σ = 195218033536. Its totient is φ = 195204436920.

The previous prime is 195211235171. The next prime is 195211235249. The reversal of 195211235227 is 722532112591.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 195211235227 - 2¹⁹ = 195210710939 is a prime.

It is a super-2 number, since 2×195211235227² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195211235227.

It is not an unprimeable number, because it can be changed into a prime (195211235257) 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, 3355899 + ... + 3413572.

It is an arithmetic number, because the mean of its divisors is an integer number (48804508384).

Almost surely, 2^195211235227 is an apocalyptic number.

195211235227 is a deficient number, since it is larger than the sum of its proper divisors (6798309).

195211235227 is an equidigital number, since it uses as much as digits as its factorization.

195211235227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6798308.

The product of its digits is 75600, while the sum is 40.

The spelling of 195211235227 in words is "one hundred ninety-five billion, two hundred eleven million, two hundred thirty-five thousand, two hundred twenty-seven".