12120020212012 has 6 divisors (see below), whose sum is σ = 21210035371028. Its totient is φ = 6060010106004.

The previous prime is 12120020212007. The next prime is 12120020212049. The reversal of 12120020212012 is 21021202002121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515002526498 + ... + 1515002526505.

Almost surely, 2^{12120020212012} is an apocalyptic number.

It is an amenable number.

12120020212012 is a deficient number, since it is larger than the sum of its proper divisors (9090015159016).

12120020212012 is a wasteful number, since it uses less digits than its factorization.

12120020212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030005053007 (or 3030005053005 counting only the distinct ones).

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

Adding to 12120020212012 its reverse (21021202002121), we get a palindrome (33141222214133).

The spelling of 12120020212012 in words is "twelve trillion, one hundred twenty billion, twenty million, two hundred twelve thousand, twelve".