212020868075 has 6 divisors (see below), whose sum is σ = 262905876444. Its totient is φ = 169616694440.

The previous prime is 212020868063. The next prime is 212020868077. The reversal of 212020868075 is 570868020212.

It is not a de Polignac number, because 212020868075 - 2⁸ = 212020867819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020868077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4240417337 + ... + 4240417386.

It is an arithmetic number, because the mean of its divisors is an integer number (43817646074).

Almost surely, 2^212020868075 is an apocalyptic number.

212020868075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212020868075 is a deficient number, since it is larger than the sum of its proper divisors (50885008369).

212020868075 is an equidigital number, since it uses as much as digits as its factorization.

212020868075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480834733 (or 8480834728 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

Adding to 212020868075 its reverse (570868020212), we get a palindrome (782888888287).

The spelling of 212020868075 in words is "two hundred twelve billion, twenty million, eight hundred sixty-eight thousand, seventy-five".