1001012101012 has 72 divisors (see below), whose sum is σ = 2237749633728. Its totient is φ = 387421776000.

The previous prime is 1001012100989. The next prime is 1001012101079. The reversal of 1001012101012 is 2101012101001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001012101012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1211833 + ... + 1862944.

It is an arithmetic number, because the mean of its divisors is an integer number (31079856024).

Almost surely, 2^{1001012101012} is an apocalyptic number.

It is an amenable number.

1001012101012 is an abundant number, since it is smaller than the sum of its proper divisors (1236737532716).

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

1001012101012 is a wasteful number, since it uses less digits than its factorization.

1001012101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074957 (or 3074948 counting only the distinct ones).

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

Adding to 1001012101012 its reverse (2101012101001), we get a palindrome (3102024202013).

The spelling of 1001012101012 in words is "one trillion, one billion, twelve million, one hundred one thousand, twelve".