212740060 has 24 divisors (see below), whose sum is σ = 481120416. Its totient is φ = 78550080.

The previous prime is 212740043. The next prime is 212740061. The reversal of 212740060 is 60047212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212740061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408856 + ... + 409375.

It is an arithmetic number, because the mean of its divisors is an integer number (20046684).

Almost surely, 2^212740060 is an apocalyptic number.

212740060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212740060 is an abundant number, since it is smaller than the sum of its proper divisors (268380356).

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

212740060 is a wasteful number, since it uses less digits than its factorization.

212740060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818253 (or 818251 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 212740060 is about 14585.6114030232. The cubic root of 212740060 is about 596.9662232218.

Adding to 212740060 its reverse (60047212), we get a palindrome (272787272).

The spelling of 212740060 in words is "two hundred twelve million, seven hundred forty thousand, sixty".