212206030 has 16 divisors (see below), whose sum is σ = 383395680. Its totient is φ = 84565792.

The previous prime is 212205997. The next prime is 212206031. The reversal of 212206030 is 30602212.

It is a junction number, because it is equal to n+sod(n) for n = 212205995 and 212206013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212206031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36754 + ... + 42133.

It is an arithmetic number, because the mean of its divisors is an integer number (23962230).

Almost surely, 2^212206030 is an apocalyptic number.

212206030 is a deficient number, since it is larger than the sum of its proper divisors (171189650).

212206030 is a wasteful number, since it uses less digits than its factorization.

212206030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79163.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212206030 is about 14567.2931596780. The cubic root of 212206030 is about 596.4662938736.

Adding to 212206030 its reverse (30602212), we get a palindrome (242808242).

The spelling of 212206030 in words is "two hundred twelve million, two hundred six thousand, thirty".