212423160 has 128 divisors (see below), whose sum is σ = 696729600. Its totient is φ = 51578880.

The previous prime is 212423131. The next prime is 212423161. The reversal of 212423160 is 61324212.

212423160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212423161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61561 + ... + 64919.

It is an arithmetic number, because the mean of its divisors is an integer number (5443200).

Almost surely, 2^212423160 is an apocalyptic number.

212423160 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 212423160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348364800).

212423160 is an abundant number, since it is smaller than the sum of its proper divisors (484306440).

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

212423160 is a wasteful number, since it uses less digits than its factorization.

212423160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421 (or 3417 counting only the distinct ones).

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

The square root of 212423160 is about 14574.7439085563. The cubic root of 212423160 is about 596.6696600386.

Adding to 212423160 its reverse (61324212), we get a palindrome (273747372).

The spelling of 212423160 in words is "two hundred twelve million, four hundred twenty-three thousand, one hundred sixty".