1012011112002 has 96 divisors (see below), whose sum is σ = 2285358200640. Its totient is φ = 296281929600.

The previous prime is 1012011112001. The next prime is 1012011112043. The reversal of 1012011112002 is 2002111102101.

It is not an unprimeable number, because it can be changed into a prime (1012011112001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38867124 + ... + 38893152.

It is an arithmetic number, because the mean of its divisors is an integer number (23805814590).

Almost surely, 2^{1012011112002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012011112002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142679100320).

1012011112002 is an abundant number, since it is smaller than the sum of its proper divisors (1273347088638).

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

1012011112002 is a wasteful number, since it uses less digits than its factorization.

1012011112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26720 (or 26689 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1012011112002 its reverse (2002111102101), we get a palindrome (3014122214103).

Subtracting 1012011112002 from its reverse (2002111102101), we obtain a palindrome (990099990099).

The spelling of 1012011112002 in words is "one trillion, twelve billion, eleven million, one hundred twelve thousand, two".