212251447360 has 28 divisors (see below), whose sum is σ = 505423759788. Its totient is φ = 84900578816.

The previous prime is 212251447357. The next prime is 212251447391. The reversal of 212251447360 is 63744152212.

212251447360 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 164427006016 + 47824441344 = 405496^2 + 218688^2 .

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 3 ways as a sum of consecutive naturals, for example, 331642567 + ... + 331643206.

Almost surely, 2^212251447360 is an apocalyptic number.

212251447360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212251447360 is an abundant number, since it is smaller than the sum of its proper divisors (293172312428).

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

212251447360 is an equidigital number, since it uses as much as digits as its factorization.

212251447360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663285790 (or 663285780 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 212251447360 its reverse (63744152212), we get a palindrome (275995599572).

The spelling of 212251447360 in words is "two hundred twelve billion, two hundred fifty-one million, four hundred forty-seven thousand, three hundred sixty".