2197243212 has 12 divisors (see below), whose sum is σ = 5126900856. Its totient is φ = 732414400.

The previous prime is 2197243109. The next prime is 2197243229. The reversal of 2197243212 is 2123427912.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91551789 + ... + 91551812.

It is an arithmetic number, because the mean of its divisors is an integer number (427241738).

Almost surely, 2^2197243212 is an apocalyptic number.

It is an amenable number.

2197243212 is an abundant number, since it is smaller than the sum of its proper divisors (2929657644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2197243212 is a wasteful number, since it uses less digits than its factorization.

2197243212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183103608 (or 183103606 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 2197243212 is about 46874.7609273903. The cubic root of 2197243212 is about 1300.0479690386.

The spelling of 2197243212 in words is "two billion, one hundred ninety-seven million, two hundred forty-three thousand, two hundred twelve".