194211212 has 24 divisors (see below), whose sum is σ = 367648176. Its totient is φ = 89235648.

The previous prime is 194211203. The next prime is 194211229. The reversal of 194211212 is 212112491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3578 + ... + 20030.

It is an arithmetic number, because the mean of its divisors is an integer number (15318674).

Almost surely, 2^194211212 is an apocalyptic number.

It is an amenable number.

194211212 is a deficient number, since it is larger than the sum of its proper divisors (173436964).

194211212 is a wasteful number, since it uses less digits than its factorization.

194211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16697 (or 16695 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

The square root of 194211212 is about 13935.9682835460. The cubic root of 194211212 is about 579.1060465603.

The spelling of 194211212 in words is "one hundred ninety-four million, two hundred eleven thousand, two hundred twelve".