212630124 has 96 divisors (see below), whose sum is σ = 596284416. Its totient is φ = 57657600.

The previous prime is 212630113. The next prime is 212630183. The reversal of 212630124 is 421036212.

212630124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 212630124.

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, 302974 + ... + 303674.

It is an arithmetic number, because the mean of its divisors is an integer number (6211296).

Almost surely, 2^212630124 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 212630124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298142208).

212630124 is an abundant number, since it is smaller than the sum of its proper divisors (383654292).

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

212630124 is a wasteful number, since it uses less digits than its factorization.

212630124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 212630124 is about 14581.8422704403. The cubic root of 212630124 is about 596.8633756643.

Adding to 212630124 its reverse (421036212), we get a palindrome (633666336).

The spelling of 212630124 in words is "two hundred twelve million, six hundred thirty thousand, one hundred twenty-four".