12122102021012 has 24 divisors (see below), whose sum is σ = 21720834292416. Its totient is φ = 5917750489728.

The previous prime is 12122102020999. The next prime is 12122102021017. The reversal of 12122102021012 is 21012020122121.

12122102021012 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 (12122102021017) 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, 200110088 + ... + 200170655.

It is an arithmetic number, because the mean of its divisors is an integer number (905034762184).

Almost surely, 2^{12122102021012} is an apocalyptic number.

It is an amenable number.

12122102021012 is a deficient number, since it is larger than the sum of its proper divisors (9598732271404).

12122102021012 is a wasteful number, since it uses less digits than its factorization.

12122102021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400280927 (or 400280925 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122102021012 its reverse (21012020122121), we get a palindrome (33134122143133).

The spelling of 12122102021012 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, twenty-one thousand, twelve".