12012111002212 has 24 divisors (see below), whose sum is σ = 22355786817504. Its totient is φ = 5627856093312.

The previous prime is 12012111002153. The next prime is 12012111002231. The reversal of 12012111002212 is 21220011121021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389078598 + ... + 389109469.

It is an arithmetic number, because the mean of its divisors is an integer number (931491117396).

Almost surely, 2^{12012111002212} is an apocalyptic number.

It is an amenable number.

12012111002212 is a deficient number, since it is larger than the sum of its proper divisors (10343675815292).

12012111002212 is a wasteful number, since it uses less digits than its factorization.

12012111002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778188315 (or 778188313 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012111002212 its reverse (21220011121021), we get a palindrome (33232122123233).

The spelling of 12012111002212 in words is "twelve trillion, twelve billion, one hundred eleven million, two thousand, two hundred twelve".