1002112120212 has 24 divisors (see below), whose sum is σ = 2672298987456. Its totient is φ = 286317748608.

The previous prime is 1002112120199. The next prime is 1002112120259. The reversal of 1002112120212 is 2120212112001.

It is a junction number, because it is equal to n+sod(n) for n = 1002112120191 and 1002112120200.

It is a congruent number.

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, 5964953013 + ... + 5964953180.

It is an arithmetic number, because the mean of its divisors is an integer number (111345791144).

Almost surely, 2^{1002112120212} is an apocalyptic number.

1002112120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002112120212 is an abundant number, since it is smaller than the sum of its proper divisors (1670186867244).

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

1002112120212 is a wasteful number, since it uses less digits than its factorization.

1002112120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11929906207 (or 11929906205 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002112120212 its reverse (2120212112001), we get a palindrome (3122324232213).

The spelling of 1002112120212 in words is "one trillion, two billion, one hundred twelve million, one hundred twenty thousand, two hundred twelve".