12120213202212 has 24 divisors (see below), whose sum is σ = 28282355158176. Its totient is φ = 4039805683648.

The previous prime is 12120213202079. The next prime is 12120213202217. The reversal of 12120213202212 is 21220231202121.

It is not an unprimeable number, because it can be changed into a prime (12120213202217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32982633 + ... + 33348080.

It is an arithmetic number, because the mean of its divisors is an integer number (1178431464924).

Almost surely, 2^{12120213202212} is an apocalyptic number.

12120213202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12120213202212 is an abundant number, since it is smaller than the sum of its proper divisors (16162141955964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12120213202212 is a wasteful number, since it uses less digits than its factorization.

12120213202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66345947 (or 66345945 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12120213202212 its reverse (21220231202121), we get a palindrome (33340444404333).

The spelling of 12120213202212 in words is "twelve trillion, one hundred twenty billion, two hundred thirteen million, two hundred two thousand, two hundred twelve".