12011212010108 has 12 divisors (see below), whose sum is σ = 21223695008880. Its totient is φ = 5947299150432.

The previous prime is 12011212010107. The next prime is 12011212010117. The reversal of 12011212010108 is 80101021211021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12011212010108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011212010101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14576713193 + ... + 14576714016.

It is an arithmetic number, because the mean of its divisors is an integer number (1768641250740).

Almost surely, 2^{12011212010108} is an apocalyptic number.

It is an amenable number.

12011212010108 is a deficient number, since it is larger than the sum of its proper divisors (9212482998772).

12011212010108 is a wasteful number, since it uses less digits than its factorization.

12011212010108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29153427316 (or 29153427314 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 12011212010108 its reverse (80101021211021), we get a palindrome (92112233221129).

The spelling of 12011212010108 in words is "twelve trillion, eleven billion, two hundred twelve million, ten thousand, one hundred eight".