12120211000012 has 48 divisors (see below), whose sum is σ = 22483565375040. Its totient is φ = 5697148925952.

The previous prime is 12120210999971. The next prime is 12120211000087. The reversal of 12120211000012 is 21000011202121.

It is a junction number, because it is equal to n+sod(n) for n = 12120210999956 and 12120211000001.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 250844368 + ... + 250892680.

It is an arithmetic number, because the mean of its divisors is an integer number (468407611980).

Almost surely, 2^{12120211000012} is an apocalyptic number.

It is an amenable number.

12120211000012 is a deficient number, since it is larger than the sum of its proper divisors (10363354375028).

12120211000012 is a wasteful number, since it uses less digits than its factorization.

12120211000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52450 (or 52448 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12120211000012 its reverse (21000011202121), we get a palindrome (33120222202133).

The spelling of 12120211000012 in words is "twelve trillion, one hundred twenty billion, two hundred eleven million, twelve", and thus it is an aban number.