212153230 has 8 divisors (see below), whose sum is σ = 381875832. Its totient is φ = 84861288.

The previous prime is 212153213. The next prime is 212153231. The reversal of 212153230 is 32351212.

212153230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212153198 and 212153207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212153231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10607652 + ... + 10607671.

It is an arithmetic number, because the mean of its divisors is an integer number (47734479).

Almost surely, 2^212153230 is an apocalyptic number.

212153230 is a deficient number, since it is larger than the sum of its proper divisors (169722602).

212153230 is a wasteful number, since it uses less digits than its factorization.

212153230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21215330.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 212153230 is about 14565.4807678978. The cubic root of 212153230 is about 596.4168198904.

The spelling of 212153230 in words is "two hundred twelve million, one hundred fifty-three thousand, two hundred thirty".