212000442124 has 24 divisors (see below), whose sum is σ = 377180577648. Its totient is φ = 104235464640.

The previous prime is 212000442119. The next prime is 212000442151. The reversal of 212000442124 is 421244000212.

It is a junction number, because it is equal to n+sod(n) for n = 212000442095 and 212000442104.

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, 846474 + ... + 1067950.

It is an arithmetic number, because the mean of its divisors is an integer number (15715857402).

Almost surely, 2^212000442124 is an apocalyptic number.

It is an amenable number.

212000442124 is a deficient number, since it is larger than the sum of its proper divisors (165180135524).

212000442124 is a wasteful number, since it uses less digits than its factorization.

212000442124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225465 (or 225463 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 212000442124 its reverse (421244000212), we get a palindrome (633244442336).

The spelling of 212000442124 in words is "two hundred twelve billion, four hundred forty-two thousand, one hundred twenty-four".