212955230 has 32 divisors (see below), whose sum is σ = 413350560. Its totient is φ = 78727680.

The previous prime is 212955217. The next prime is 212955233. The reversal of 212955230 is 32559212.

212955230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212955193 and 212955202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212955233) 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, 5879 + ... + 21458.

It is an arithmetic number, because the mean of its divisors is an integer number (12917205).

Almost surely, 2^212955230 is an apocalyptic number.

212955230 is a deficient number, since it is larger than the sum of its proper divisors (200395330).

212955230 is a wasteful number, since it uses less digits than its factorization.

212955230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27404.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 212955230 is about 14592.9856437948. The cubic root of 212955230 is about 597.1674170184.

The spelling of 212955230 in words is "two hundred twelve million, nine hundred fifty-five thousand, two hundred thirty".