212230030 has 32 divisors (see below), whose sum is σ = 395642880. Its totient is φ = 81881760.

The previous prime is 212230013. The next prime is 212230037. The reversal of 212230030 is 30032212.

It is a happy number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212230037) 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, 110337 + ... + 112243.

It is an arithmetic number, because the mean of its divisors is an integer number (12363840).

Almost surely, 2^212230030 is an apocalyptic number.

212230030 is a deficient number, since it is larger than the sum of its proper divisors (183412850).

212230030 is a wasteful number, since it uses less digits than its factorization.

212230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 212230030 is about 14568.1168995859. The cubic root of 212230030 is about 596.4887793349.

Adding to 212230030 its reverse (30032212), we get a palindrome (242262242).

The spelling of 212230030 in words is "two hundred twelve million, two hundred thirty thousand, thirty".