12122102020012 has 6 divisors (see below), whose sum is σ = 21213678535028. Its totient is φ = 6061051010004.

The previous prime is 12122102020009. The next prime is 12122102020013. The reversal of 12122102020012 is 21002020122121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12122102020013) by changing a digit.

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 as a sum of consecutive naturals, namely, 1515262752498 + ... + 1515262752505.

Almost surely, 2^{12122102020012} is an apocalyptic number.

It is an amenable number.

12122102020012 is a deficient number, since it is larger than the sum of its proper divisors (9091576515016).

12122102020012 is a wasteful number, since it uses less digits than its factorization.

12122102020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030525505007 (or 3030525505005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122102020012 its reverse (21002020122121), we get a palindrome (33124122142133).

The spelling of 12122102020012 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, twenty thousand, twelve".