212006074280 has 128 divisors (see below), whose sum is σ = 640466023680. Its totient is φ = 60996741120.

The previous prime is 212006074279. The next prime is 212006074297. The reversal of 212006074280 is 82470600212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2607389 + ... + 2687468.

It is an arithmetic number, because the mean of its divisors is an integer number (5003640810).

Almost surely, 2^212006074280 is an apocalyptic number.

212006074280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212006074280 is an abundant number, since it is smaller than the sum of its proper divisors (428459949400).

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

212006074280 is a wasteful number, since it uses less digits than its factorization.

212006074280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294899 (or 5294895 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

Adding to 212006074280 its reverse (82470600212), we get a palindrome (294476674492).

The spelling of 212006074280 in words is "two hundred twelve billion, six million, seventy-four thousand, two hundred eighty".