212407000 has 64 divisors (see below), whose sum is σ = 535298400. Its totient is φ = 78422400.

The previous prime is 212406989. The next prime is 212407033. The reversal of 212407000 is 704212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4831 + ... + 21169.

Almost surely, 2^212407000 is an apocalyptic number.

212407000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212407000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267649200).

212407000 is an abundant number, since it is smaller than the sum of its proper divisors (322891400).

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

212407000 is a wasteful number, since it uses less digits than its factorization.

212407000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16373 (or 16359 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 212407000 is about 14574.1895143435. The cubic root of 212407000 is about 596.6545291928.

The spelling of 212407000 in words is "two hundred twelve million, four hundred seven thousand".