212911480 has 32 divisors (see below), whose sum is σ = 481219200. Its totient is φ = 84779136.

The previous prime is 212911469. The next prime is 212911481. The reversal of 212911480 is 84119212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212911481) by changing a digit.

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, 3015 + ... + 20854.

It is an arithmetic number, because the mean of its divisors is an integer number (15038100).

Almost surely, 2^212911480 is an apocalyptic number.

212911480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212911480 is an abundant number, since it is smaller than the sum of its proper divisors (268307720).

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

212911480 is a wasteful number, since it uses less digits than its factorization.

212911480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24103 (or 24099 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 212911480 is about 14591.4865589494. The cubic root of 212911480 is about 597.1265197465.

The spelling of 212911480 in words is "two hundred twelve million, nine hundred eleven thousand, four hundred eighty".