12101200212 has 24 divisors (see below), whose sum is σ = 28297396512. Its totient is φ = 4024981600.

The previous prime is 12101200193. The next prime is 12101200217. The reversal of 12101200212 is 21200210121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101200217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088214 + ... + 1099277.

It is an arithmetic number, because the mean of its divisors is an integer number (1179058188).

Almost surely, 2^12101200212 is an apocalyptic number.

12101200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101200212 is an abundant number, since it is smaller than the sum of its proper divisors (16196196300).

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

12101200212 is a wasteful number, since it uses less digits than its factorization.

12101200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187959 (or 2187957 counting only the distinct ones).

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

Adding to 12101200212 its reverse (21200210121), we get a palindrome (33301410333).

Subtracting 12101200212 from its reverse (21200210121), we obtain a palindrome (9099009909).

The spelling of 12101200212 in words is "twelve billion, one hundred one million, two hundred thousand, two hundred twelve".