212106220130 has 48 divisors (see below), whose sum is σ = 467499444480. Its totient is φ = 68894648928.

The previous prime is 212106220103. The next prime is 212106220141. The reversal of 212106220130 is 31022601212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11382002 + ... + 11400621.

It is an arithmetic number, because the mean of its divisors is an integer number (9739571760).

Almost surely, 2^212106220130 is an apocalyptic number.

212106220130 is an abundant number, since it is smaller than the sum of its proper divisors (255393224350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212106220130 is a wasteful number, since it uses less digits than its factorization.

212106220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22782663 (or 22782656 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212106220130 its reverse (31022601212), we get a palindrome (243128821342).

The spelling of 212106220130 in words is "two hundred twelve billion, one hundred six million, two hundred twenty thousand, one hundred thirty".