212201022195 has 24 divisors (see below), whose sum is σ = 367826515056. Its totient is φ = 113170367808.

The previous prime is 212201022193. The next prime is 212201022203. The reversal of 212201022195 is 591220102212.

It is a happy number.

It is not a de Polignac number, because 212201022195 - 2¹ = 212201022193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212201022191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2109177 + ... + 2207493.

It is an arithmetic number, because the mean of its divisors is an integer number (15326104794).

Almost surely, 2^212201022195 is an apocalyptic number.

212201022195 is a deficient number, since it is larger than the sum of its proper divisors (155625492861).

212201022195 is a wasteful number, since it uses less digits than its factorization.

212201022195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146291 (or 146288 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 212201022195 in words is "two hundred twelve billion, two hundred one million, twenty-two thousand, one hundred ninety-five".