212300220100 has 18 divisors (see below), whose sum is σ = 460691477834. Its totient is φ = 84920088000.

The previous prime is 212300220079. The next prime is 212300220127. The reversal of 212300220100 is 1022003212.

It can be written as a sum of positive squares in 3 ways, for example, as 9843417796 + 202456802304 = 99214^2 + 449952^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1061501001 + ... + 1061501200.

Almost surely, 2^212300220100 is an apocalyptic number.

212300220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212300220100 is an abundant number, since it is smaller than the sum of its proper divisors (248391257734).

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

212300220100 is a wasteful number, since it uses less digits than its factorization.

212300220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123002215 (or 2123002208 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 212300220100 its reverse (1022003212), we get a palindrome (213322223312).

The spelling of 212300220100 in words is "two hundred twelve billion, three hundred million, two hundred twenty thousand, one hundred".