10001200000012 has 24 divisors (see below), whose sum is σ = 19060195341600. Its totient is φ = 4564073982336.

The previous prime is 10001199999911. The next prime is 10001200000091. The reversal of 10001200000012 is 21000000210001.

It is a junction number, because it is equal to n+sod(n) for n = 10001199999950 and 10001200000004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080505312 + ... + 1080514567.

It is an arithmetic number, because the mean of its divisors is an integer number (794174805900).

Almost surely, 2^{10001200000012} is an apocalyptic number.

It is an amenable number.

10001200000012 is a deficient number, since it is larger than the sum of its proper divisors (9058995341588).

10001200000012 is a wasteful number, since it uses less digits than its factorization.

10001200000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161019985 (or 2161019983 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10001200000012 its reverse (21000000210001), we get a palindrome (31001200210013).

The spelling of 10001200000012 in words is "ten trillion, one billion, two hundred million, twelve", and thus it is an aban number.