212526280 has 32 divisors (see below), whose sum is σ = 479145600. Its totient is φ = 84839616.

The previous prime is 212526271. The next prime is 212526323. The reversal of 212526280 is 82625212.

212526280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 15841 + ... + 25999.

It is an arithmetic number, because the mean of its divisors is an integer number (14973300).

Almost surely, 2^212526280 is an apocalyptic number.

212526280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212526280 is an abundant number, since it is smaller than the sum of its proper divisors (266619320).

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

212526280 is a wasteful number, since it uses less digits than its factorization.

212526280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10693 (or 10689 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 212526280 is about 14578.2811058094. The cubic root of 212526280 is about 596.7661947444.

The spelling of 212526280 in words is "two hundred twelve million, five hundred twenty-six thousand, two hundred eighty".