12102101100212 has 12 divisors (see below), whose sum is σ = 21476968150176. Its totient is φ = 5965824485880.

The previous prime is 12102101100181. The next prime is 12102101100217. The reversal of 12102101100212 is 21200110120121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102101100217) 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, 21306515738 + ... + 21306516305.

It is an arithmetic number, because the mean of its divisors is an integer number (1789747345848).

Almost surely, 2^{12102101100212} is an apocalyptic number.

It is an amenable number.

12102101100212 is a deficient number, since it is larger than the sum of its proper divisors (9374867049964).

12102101100212 is a wasteful number, since it uses less digits than its factorization.

12102101100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42613032118 (or 42613032116 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12102101100212 its reverse (21200110120121), we get a palindrome (33302211220333).

The spelling of 12102101100212 in words is "twelve trillion, one hundred two billion, one hundred one million, one hundred thousand, two hundred twelve".