212111030 has 32 divisors (see below), whose sum is σ = 392519520. Its totient is φ = 82494720.

The previous prime is 212111027. The next prime is 212111033. The reversal of 212111030 is 30111212.

212111030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212111027) and next prime (212111033).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111033) 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, 52337 + ... + 56243.

It is an arithmetic number, because the mean of its divisors is an integer number (12266235).

Almost surely, 2^212111030 is an apocalyptic number.

212111030 is a deficient number, since it is larger than the sum of its proper divisors (180408490).

212111030 is a wasteful number, since it uses less digits than its factorization.

212111030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 212111030 is about 14564.0320653314. The cubic root of 212111030 is about 596.3772722817.

Adding to 212111030 its reverse (30111212), we get a palindrome (242222242).

The spelling of 212111030 in words is "two hundred twelve million, one hundred eleven thousand, thirty".