12120001101212 has 24 divisors (see below), whose sum is σ = 21467036572800. Its totient is φ = 5986842917616.

The previous prime is 12120001101211. The next prime is 12120001101239. The reversal of 12120001101212 is 21210110002121.

12120001101212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120001101211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34931762 + ... + 35277017.

It is an arithmetic number, because the mean of its divisors is an integer number (894459857200).

Almost surely, 2^{12120001101212} is an apocalyptic number.

It is an amenable number.

12120001101212 is a deficient number, since it is larger than the sum of its proper divisors (9347035471588).

12120001101212 is a wasteful number, since it uses less digits than its factorization.

12120001101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70209305 (or 70209303 counting only the distinct ones).

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

Adding to 12120001101212 its reverse (21210110002121), we get a palindrome (33330111103333).

The spelling of 12120001101212 in words is "twelve trillion, one hundred twenty billion, one million, one hundred one thousand, two hundred twelve".