210212100231020 has 24 divisors (see below), whose sum is σ = 441559273276464. Its totient is φ = 84063151941696.

The previous prime is 210212100230947. The next prime is 210212100231037. The reversal of 210212100231020 is 20132001212012.

It is a self number, because there is not a number n which added to its sum of digits gives 210212100231020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355429942 + ... + 1355585021.

It is an arithmetic number, because the mean of its divisors is an integer number (18398303053186).

Almost surely, 2^{210212100231020} is an apocalyptic number.

210212100231020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210212100231020 is an abundant number, since it is smaller than the sum of its proper divisors (231347173045444).

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

210212100231020 is a wasteful number, since it uses less digits than its factorization.

210212100231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711018849 (or 2711018847 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 210212100231020 its reverse (20132001212012), we get a palindrome (230344101443032).

The spelling of 210212100231020 in words is "two hundred ten trillion, two hundred twelve billion, one hundred million, two hundred thirty-one thousand, twenty".