12102012012 has 48 divisors (see below), whose sum is σ = 28520553600. Its totient is φ = 3993693312.

The previous prime is 12102011989. The next prime is 12102012023. The reversal of 12102012012 is 21021020121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3666739 + ... + 3670037.

It is an arithmetic number, because the mean of its divisors is an integer number (594178200).

Almost surely, 2^12102012012 is an apocalyptic number.

12102012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12102012012 is an abundant number, since it is smaller than the sum of its proper divisors (16418541588).

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

12102012012 is a wasteful number, since it uses less digits than its factorization.

12102012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270 (or 6268 counting only the distinct ones).

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

Adding to 12102012012 its reverse (21021020121), we get a palindrome (33123032133).

The spelling of 12102012012 in words is "twelve billion, one hundred two million, twelve thousand, twelve".