12102100001212 has 12 divisors (see below), whose sum is σ = 22807803848536. Its totient is φ = 5585584615920.

The previous prime is 12102100001113. The next prime is 12102100001237. The reversal of 12102100001212 is 21210000120121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 12102100001192 and 12102100001201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116366346114 + ... + 116366346217.

Almost surely, 2^{12102100001212} is an apocalyptic number.

It is an amenable number.

12102100001212 is a deficient number, since it is larger than the sum of its proper divisors (10705703847324).

12102100001212 is a wasteful number, since it uses less digits than its factorization.

12102100001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232732692348 (or 232732692346 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12102100001212 its reverse (21210000120121), we get a palindrome (33312100121333).

The spelling of 12102100001212 in words is "twelve trillion, one hundred two billion, one hundred million, one thousand, two hundred twelve".