20212212230 has 32 divisors (see below), whose sum is σ = 41678703360. Its totient is φ = 6913352160.

The previous prime is 20212212211. The next prime is 20212212233. The reversal of 20212212230 is 3221221202.

It is a junction number, because it is equal to n+sod(n) for n = 20212212199 and 20212212208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212212233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315236 + ... + 373895.

It is an arithmetic number, because the mean of its divisors is an integer number (1302459480).

Almost surely, 2^20212212230 is an apocalyptic number.

20212212230 is an abundant number, since it is smaller than the sum of its proper divisors (21466491130).

20212212230 is a wasteful number, since it uses less digits than its factorization.

20212212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689564.

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

Adding to 20212212230 its reverse (3221221202), we get a palindrome (23433433432).

The spelling of 20212212230 in words is "twenty billion, two hundred twelve million, two hundred twelve thousand, two hundred thirty".