12102101021012 has 24 divisors (see below), whose sum is σ = 21366360914472. Its totient is φ = 5997427788800.

The previous prime is 12102101021009. The next prime is 12102101021033. The reversal of 12102101021012 is 21012010120121.

12102101021012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 585892270096 + 11516208750916 = 765436^2 + 3393554^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67512062 + ... + 67691082.

It is an arithmetic number, because the mean of its divisors is an integer number (890265038103).

Almost surely, 2^{12102101021012} is an apocalyptic number.

It is an amenable number.

12102101021012 is a deficient number, since it is larger than the sum of its proper divisors (9264259893460).

12102101021012 is a wasteful number, since it uses less digits than its factorization.

12102101021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328699 (or 328697 counting only the distinct ones).

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

Adding to 12102101021012 its reverse (21012010120121), we get a palindrome (33114111141133).

The spelling of 12102101021012 in words is "twelve trillion, one hundred two billion, one hundred one million, twenty-one thousand, twelve".