162131212 has 12 divisors (see below), whose sum is σ = 284409720. Its totient is φ = 80871296.

The previous prime is 162131201. The next prime is 162131213. The reversal of 162131212 is 212131261.

162131212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 162131212.

It is not an unprimeable number, because it can be changed into a prime (162131213) 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, 46693 + ... + 50044.

It is an arithmetic number, because the mean of its divisors is an integer number (23700810).

Almost surely, 2^162131212 is an apocalyptic number.

It is an amenable number.

162131212 is a deficient number, since it is larger than the sum of its proper divisors (122278508).

162131212 is a wasteful number, since it uses less digits than its factorization.

162131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97160 (or 97158 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 162131212 is about 12733.0755122241. The cubic root of 162131212 is about 545.2833159265.

Adding to 162131212 its reverse (212131261), we get a palindrome (374262473).

The spelling of 162131212 in words is "one hundred sixty-two million, one hundred thirty-one thousand, two hundred twelve".