212234860 has 48 divisors (see below), whose sum is σ = 464157792. Its totient is φ = 81446400.

The previous prime is 212234839. The next prime is 212234861. The reversal of 212234860 is 68432212.

212234860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212234861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47899 + ... + 52141.

It is an arithmetic number, because the mean of its divisors is an integer number (9669954).

Almost surely, 2^212234860 is an apocalyptic number.

212234860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212234860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232078896).

212234860 is an abundant number, since it is smaller than the sum of its proper divisors (251922932).

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

212234860 is a wasteful number, since it uses less digits than its factorization.

212234860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354 (or 4352 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 212234860 is about 14568.2826716123. The cubic root of 212234860 is about 596.4933043291.

The spelling of 212234860 in words is "two hundred twelve million, two hundred thirty-four thousand, eight hundred sixty".