12101211200012 has 48 divisors (see below), whose sum is σ = 23902149600000. Its totient is φ = 5310163978560.

The previous prime is 12101211200009. The next prime is 12101211200033. The reversal of 12101211200012 is 21000211210121.

It is a self number, because there is not a number n which added to its sum of digits gives 12101211200012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8936393 + ... + 10201055.

It is an arithmetic number, because the mean of its divisors is an integer number (497961450000).

Almost surely, 2^{12101211200012} is an apocalyptic number.

It is an amenable number.

12101211200012 is a deficient number, since it is larger than the sum of its proper divisors (11800938399988).

12101211200012 is a wasteful number, since it uses less digits than its factorization.

12101211200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272206 (or 1272204 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12101211200012 its reverse (21000211210121), we get a palindrome (33101422410133).

The spelling of 12101211200012 in words is "twelve trillion, one hundred one billion, two hundred eleven million, two hundred thousand, twelve".