212854947400 has 24 divisors (see below), whose sum is σ = 494887753170. Its totient is φ = 85141978880.

The previous prime is 212854947379. The next prime is 212854947419. The reversal of 212854947400 is 4749458212.

It can be written as a sum of positive squares in 3 ways, for example, as 166498273764 + 46356673636 = 408042^2 + 215306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 532137169 + ... + 532137568.

Almost surely, 2^212854947400 is an apocalyptic number.

212854947400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212854947400 is an abundant number, since it is smaller than the sum of its proper divisors (282032805770).

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

212854947400 is a wasteful number, since it uses less digits than its factorization.

212854947400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064274753 (or 1064274744 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 212854947400 in words is "two hundred twelve billion, eight hundred fifty-four million, nine hundred forty-seven thousand, four hundred".