212012222030 has 32 divisors (see below), whose sum is σ = 436170280896. Its totient is φ = 72684762624.

The previous prime is 212012222021. The next prime is 212012222117. The reversal of 212012222030 is 30222210212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965672 + ... + 1164708.

It is an arithmetic number, because the mean of its divisors is an integer number (13630321278).

Almost surely, 2^212012222030 is an apocalyptic number.

212012222030 is an abundant number, since it is smaller than the sum of its proper divisors (224158058866).

212012222030 is a wasteful number, since it uses less digits than its factorization.

212012222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214268.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212012222030 its reverse (30222210212), we get a palindrome (242234432242).

The spelling of 212012222030 in words is "two hundred twelve billion, twelve million, two hundred twenty-two thousand, thirty".