212210431420030 has 16 divisors (see below), whose sum is σ = 382016310273360. Its totient is φ = 84875831741952.

The previous prime is 212210431419991. The next prime is 212210431420037. The reversal of 212210431420030 is 30024134012212.

It is a junction number, because it is equal to n+sod(n) for n = 212210431419977 and 212210431420004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210431420037) 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, 1042496400 + ... + 1042699939.

It is an arithmetic number, because the mean of its divisors is an integer number (23876019392085).

Almost surely, 2^{212210431420030} is an apocalyptic number.

212210431420030 is a deficient number, since it is larger than the sum of its proper divisors (169805878853330).

212210431420030 is a wasteful number, since it uses less digits than its factorization.

212210431420030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085206523.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212210431420030 its reverse (30024134012212), we get a palindrome (242234565432242).

The spelling of 212210431420030 in words is "two hundred twelve trillion, two hundred ten billion, four hundred thirty-one million, four hundred twenty thousand, thirty".