212124025162 has 12 divisors (see below), whose sum is σ = 370134778770. Its totient is φ = 90910296456.

The previous prime is 212124025129. The next prime is 212124025177. The reversal of 212124025162 is 261520421212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 209600068041 + 2523957121 = 457821^2 + 50239^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212124025162.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1082265337 + ... + 1082265532.

Almost surely, 2^212124025162 is an apocalyptic number.

212124025162 is a deficient number, since it is larger than the sum of its proper divisors (158010753608).

212124025162 is a wasteful number, since it uses less digits than its factorization.

212124025162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164530885 (or 2164530878 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 212124025162 its reverse (261520421212), we get a palindrome (473644446374).

The spelling of 212124025162 in words is "two hundred twelve billion, one hundred twenty-four million, twenty-five thousand, one hundred sixty-two".