12201010212 has 12 divisors (see below), whose sum is σ = 28469023856. Its totient is φ = 4067003400.

The previous prime is 12201010207. The next prime is 12201010219. The reversal of 12201010212 is 21201010221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1016750851 = 12201010212 / (1 + 2 + 2 + 0 + 1 + 0 + 1 + 0 + 2 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (12201010219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508375414 + ... + 508375437.

Almost surely, 2^12201010212 is an apocalyptic number.

12201010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12201010212 is an abundant number, since it is smaller than the sum of its proper divisors (16268013644).

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

12201010212 is a wasteful number, since it uses less digits than its factorization.

12201010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016750858 (or 1016750856 counting only the distinct ones).

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

Adding to 12201010212 its reverse (21201010221), we get a palindrome (33402020433).

Subtracting 12201010212 from its reverse (21201010221), we obtain a palindrome (9000000009).

The spelling of 12201010212 in words is "twelve billion, two hundred one million, ten thousand, two hundred twelve".