1000021120012 has 12 divisors (see below), whose sum is σ = 1750116134200. Its totient is φ = 499987938816.

The previous prime is 1000021119961. The next prime is 1000021120019. The reversal of 1000021120012 is 2100211200001.

1000021120012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1000021120019) 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, 5555637 + ... + 5732812.

Almost surely, 2^{1000021120012} is an apocalyptic number.

It is an amenable number.

1000021120012 is a deficient number, since it is larger than the sum of its proper divisors (750095014188).

1000021120012 is a wasteful number, since it uses less digits than its factorization.

1000021120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310600 (or 11310598 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000021120012 its reverse (2100211200001), we get a palindrome (3100232320013).

The spelling of 1000021120012 in words is "one trillion, twenty-one million, one hundred twenty thousand, twelve".