212106220107 has 8 divisors (see below), whose sum is σ = 286682379984. Its totient is φ = 139467103488.

The previous prime is 212106220103. The next prime is 212106220141. The reversal of 212106220107 is 701022601212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212106220107 - 2² = 212106220103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212106220103) 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, 484260558 + ... + 484260995.

It is an arithmetic number, because the mean of its divisors is an integer number (35835297498).

Almost surely, 2^212106220107 is an apocalyptic number.

212106220107 is a deficient number, since it is larger than the sum of its proper divisors (74576159877).

212106220107 is an equidigital number, since it uses as much as digits as its factorization.

212106220107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968521629.

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 212106220107 its reverse (701022601212), we get a palindrome (913128821319).

The spelling of 212106220107 in words is "two hundred twelve billion, one hundred six million, two hundred twenty thousand, one hundred seven".