12210100212 has 24 divisors (see below), whose sum is σ = 28751615200. Its totient is φ = 4032693216.

The previous prime is 12210100171. The next prime is 12210100237. The reversal of 12210100212 is 21200101221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4666162 + ... + 4668777.

Almost surely, 2^12210100212 is an apocalyptic number.

12210100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210100212 is an abundant number, since it is smaller than the sum of its proper divisors (16541514988).

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

12210100212 is a wasteful number, since it uses less digits than its factorization.

12210100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9335055 (or 9335053 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12210100212 its reverse (21200101221), we get a palindrome (33410201433).

The spelling of 12210100212 in words is "twelve billion, two hundred ten million, one hundred thousand, two hundred twelve".