212000124112 has 160 divisors (see below), whose sum is σ = 500860800000. Its totient is φ = 84858568704.

The previous prime is 212000124001. The next prime is 212000124209. The reversal of 212000124112 is 211421000212.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169735264 + ... + 169736512.

It is an arithmetic number, because the mean of its divisors is an integer number (3130380000).

Almost surely, 2^212000124112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212000124112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250430400000).

212000124112 is an abundant number, since it is smaller than the sum of its proper divisors (288860675888).

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

212000124112 is a wasteful number, since it uses less digits than its factorization.

212000124112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212000124112 its reverse (211421000212), we get a palindrome (423421124324).

The spelling of 212000124112 in words is "two hundred twelve billion, one hundred twenty-four thousand, one hundred twelve".