212110100010 has 48 divisors (see below), whose sum is σ = 571911683616. Its totient is φ = 56562692688.

The previous prime is 212110099979. The next prime is 212110100023. The reversal of 212110100010 is 10001011212.

It is a happy number.

212110100010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 212110099965 and 212110100001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43641624 + ... + 43646483.

It is an arithmetic number, because the mean of its divisors is an integer number (11914826742).

Almost surely, 2^212110100010 is an apocalyptic number.

212110100010 is an abundant number, since it is smaller than the sum of its proper divisors (359801583606).

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

212110100010 is an equidigital number, since it uses as much as digits as its factorization.

212110100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87288129 (or 87288117 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 212110100010 its reverse (10001011212), we get a palindrome (222111111222).

The spelling of 212110100010 in words is "two hundred twelve billion, one hundred ten million, one hundred thousand, ten".