1000121110012 has 24 divisors (see below), whose sum is σ = 1813215121200. Its totient is φ = 482110142976.

The previous prime is 1000121110003. The next prime is 1000121110039. The reversal of 1000121110012 is 2100111210001.

It is a congruent number.

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, 6232437 + ... + 6390892.

It is an arithmetic number, because the mean of its divisors is an integer number (75550630050).

Almost surely, 2^{1000121110012} is an apocalyptic number.

It is an amenable number.

1000121110012 is a deficient number, since it is larger than the sum of its proper divisors (813094011188).

1000121110012 is a wasteful number, since it uses less digits than its factorization.

1000121110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12624045 (or 12624043 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1000121110012 its reverse (2100111210001), we get a palindrome (3100232320013).

The spelling of 1000121110012 in words is "one trillion, one hundred twenty-one million, one hundred ten thousand, twelve".