12011212202012 has 12 divisors (see below), whose sum is σ = 22256069668560. Its totient is φ = 5652335153856.

The previous prime is 12011212201991. The next prime is 12011212202051. The reversal of 12011212202012 is 21020221211021.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 88317736712 + ... + 88317736847.

It is an arithmetic number, because the mean of its divisors is an integer number (1854672472380).

Almost surely, 2^{12011212202012} is an apocalyptic number.

It is an amenable number.

12011212202012 is a deficient number, since it is larger than the sum of its proper divisors (10244857466548).

12011212202012 is a wasteful number, since it uses less digits than its factorization.

12011212202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176635473580 (or 176635473578 counting only the distinct ones).

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

Adding to 12011212202012 its reverse (21020221211021), we get a palindrome (33031433413033).

Subtracting 12011212202012 from its reverse (21020221211021), we obtain a palindrome (9009009009009).

The spelling of 12011212202012 in words is "twelve trillion, eleven billion, two hundred twelve million, two hundred two thousand, twelve".