212998630 has 32 divisors (see below), whose sum is σ = 430847424. Its totient is φ = 75225216.

The previous prime is 212998619. The next prime is 212998631. The reversal of 212998630 is 36899212.

It is a happy number.

212998630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212998631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32629 + ... + 38608.

It is an arithmetic number, because the mean of its divisors is an integer number (13463982).

Almost surely, 2^212998630 is an apocalyptic number.

212998630 is an abundant number, since it is smaller than the sum of its proper divisors (217848794).

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

212998630 is a wasteful number, since it uses less digits than its factorization.

212998630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71280.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 212998630 is about 14594.4725838243. The cubic root of 212998630 is about 597.2079815782.

It can be divided in two parts, 21299 and 8630, that added together give a square (29929 = 173²).

The spelling of 212998630 in words is "two hundred twelve million, nine hundred ninety-eight thousand, six hundred thirty".