12102001212 has 24 divisors (see below), whose sum is σ = 32272003456. Its totient is φ = 3457714608.

The previous prime is 12102001207. The next prime is 12102001217. The reversal of 12102001212 is 21210020121.

12102001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12102001207) and next prime (12102001217).

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 (12102001217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72035638 + ... + 72035805.

Almost surely, 2^12102001212 is an apocalyptic number.

12102001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12102001212 is an abundant number, since it is smaller than the sum of its proper divisors (20170002244).

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

12102001212 is a wasteful number, since it uses less digits than its factorization.

12102001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144071457 (or 144071455 counting only the distinct ones).

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

Adding to 12102001212 its reverse (21210020121), we get a palindrome (33312021333).

The spelling of 12102001212 in words is "twelve billion, one hundred two million, one thousand, two hundred twelve".