212211430 has 32 divisors (see below), whose sum is σ = 395331840. Its totient is φ = 81932160.

The previous prime is 212211427. The next prime is 212211431. The reversal of 212211430 is 34112212.

212211430 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 (212211431) 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, 172056 + ... + 173284.

It is an arithmetic number, because the mean of its divisors is an integer number (12354120).

Almost surely, 2^212211430 is an apocalyptic number.

212211430 is a deficient number, since it is larger than the sum of its proper divisors (183120410).

212211430 is a wasteful number, since it uses less digits than its factorization.

212211430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 212211430 is about 14567.4785052184. The cubic root of 212211430 is about 596.4713532502.

Adding to 212211430 its reverse (34112212), we get a palindrome (246323642).

The spelling of 212211430 in words is "two hundred twelve million, two hundred eleven thousand, four hundred thirty".