12120022011212 has 6 divisors (see below), whose sum is σ = 21210038519628. Its totient is φ = 6060011005604.

The previous prime is 12120022011211. The next prime is 12120022011263. The reversal of 12120022011212 is 21211022002121.

12120022011212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12120022011211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515002751398 + ... + 1515002751405.

It is an arithmetic number, because the mean of its divisors is an integer number (3535006419938).

Almost surely, 2^{12120022011212} is an apocalyptic number.

It is an amenable number.

12120022011212 is a deficient number, since it is larger than the sum of its proper divisors (9090016508416).

12120022011212 is a wasteful number, since it uses less digits than its factorization.

12120022011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030005502807 (or 3030005502805 counting only the distinct ones).

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

Adding to 12120022011212 its reverse (21211022002121), we get a palindrome (33331044013333).

Subtracting 12120022011212 from its reverse (21211022002121), we obtain a palindrome (9090999990909).

The spelling of 12120022011212 in words is "twelve trillion, one hundred twenty billion, twenty-two million, eleven thousand, two hundred twelve".