212200100010 has 48 divisors (see below), whose sum is σ = 551979660960. Its totient is φ = 56560088160.

The previous prime is 212200099999. The next prime is 212200100029. The reversal of 212200100010 is 10001002212.

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 = 212200099965 and 212200100001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361420 + ... + 744999.

It is an arithmetic number, because the mean of its divisors is an integer number (11499576270).

Almost surely, 2^212200100010 is an apocalyptic number.

212200100010 is an abundant number, since it is smaller than the sum of its proper divisors (339779560950).

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

212200100010 is a wasteful number, since it uses less digits than its factorization.

212200100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108563 (or 1108560 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 212200100010 its reverse (10001002212), we get a palindrome (222201102222).

The spelling of 212200100010 in words is "two hundred twelve billion, two hundred million, one hundred thousand, ten".