1001001010012 has 12 divisors (see below), whose sum is σ = 1827914888016. Its totient is φ = 478739613440.

The previous prime is 1001001010007. The next prime is 1001001010013. The reversal of 1001001010012 is 2100101001001.

It is a junction number, because it is equal to n+sod(n) for n = 1001001009977 and 1001001010004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001001010013) 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, 5440222789 + ... + 5440222972.

It is an arithmetic number, because the mean of its divisors is an integer number (152326240668).

Almost surely, 2^{1001001010012} is an apocalyptic number.

It is an amenable number.

1001001010012 is a deficient number, since it is larger than the sum of its proper divisors (826913878004).

1001001010012 is a wasteful number, since it uses less digits than its factorization.

1001001010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10880445788 (or 10880445786 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1001001010012 its reverse (2100101001001), we get a palindrome (3101102011013).

The spelling of 1001001010012 in words is "one trillion, one billion, one million, ten thousand, twelve".