212115360 has 48 divisors (see below), whose sum is σ = 668164896. Its totient is φ = 56563968.

The previous prime is 212115347. The next prime is 212115403. The reversal of 212115360 is 63511212.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 220474 + ... + 221433.

It is an arithmetic number, because the mean of its divisors is an integer number (13920102).

Almost surely, 2^212115360 is an apocalyptic number.

212115360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212115360 is an abundant number, since it is smaller than the sum of its proper divisors (456049536).

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

212115360 is a wasteful number, since it uses less digits than its factorization.

212115360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441925 (or 441917 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 212115360 is about 14564.1807184613. The cubic root of 212115360 is about 596.3813303702.

Adding to 212115360 its reverse (63511212), we get a palindrome (275626572).

The spelling of 212115360 in words is "two hundred twelve million, one hundred fifteen thousand, three hundred sixty".