1000120112012 has 24 divisors (see below), whose sum is σ = 2004416117760. Its totient is φ = 427728070800.

The previous prime is 1000120112003. The next prime is 1000120112041. The reversal of 1000120112012 is 2102110210001.

It is a junction number, because it is equal to n+sod(n) for n = 1000120111984 and 1000120112002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37271114 + ... + 37297937.

It is an arithmetic number, because the mean of its divisors is an integer number (83517338240).

Almost surely, 2^{1000120112012} is an apocalyptic number.

It is an amenable number.

1000120112012 is an abundant number, since it is smaller than the sum of its proper divisors (1004296005748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000120112012 is a wasteful number, since it uses less digits than its factorization.

1000120112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74569541 (or 74569539 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000120112012 its reverse (2102110210001), we get a palindrome (3102230322013).

The spelling of 1000120112012 in words is "one trillion, one hundred twenty million, one hundred twelve thousand, twelve".