212742360 has 96 divisors (see below), whose sum is σ = 698377680. Its totient is φ = 56160000.

The previous prime is 212742359. The next prime is 212742389. The reversal of 212742360 is 63247212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33435 + ... + 39285.

Almost surely, 2^212742360 is an apocalyptic number.

212742360 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 212742360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349188840).

212742360 is an abundant number, since it is smaller than the sum of its proper divisors (485635320).

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

212742360 is a wasteful number, since it uses less digits than its factorization.

212742360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5969 (or 5962 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 212742360 is about 14585.6902476366. The cubic root of 212742360 is about 596.9683745442.

Adding to 212742360 its reverse (63247212), we get a palindrome (275989572).

The spelling of 212742360 in words is "two hundred twelve million, seven hundred forty-two thousand, three hundred sixty".