1001212112012 has 12 divisors (see below), whose sum is σ = 2002424224080. Its totient is φ = 429090905136.

The previous prime is 1001212112009. The next prime is 1001212112027. The reversal of 1001212112012 is 2102112121001.

1001212112012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 3 ways as a sum of consecutive naturals, for example, 17878787687 + ... + 17878787742.

It is an arithmetic number, because the mean of its divisors is an integer number (166868685340).

Almost surely, 2^{1001212112012} is an apocalyptic number.

It is an amenable number.

1001212112012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1001212112012 is a wasteful number, since it uses less digits than its factorization.

1001212112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35757575440 (or 35757575438 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1001212112012 its reverse (2102112121001), we get a palindrome (3103324233013).

The spelling of 1001212112012 in words is "one trillion, one billion, two hundred twelve million, one hundred twelve thousand, twelve".