1001001101012 has 72 divisors (see below), whose sum is σ = 1937645582208. Its totient is φ = 452134615680.

The previous prime is 1001001101003. The next prime is 1001001101071. The reversal of 1001001101012 is 2101011001001.

It is a happy number.

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, 50258768 + ... + 50278680.

Almost surely, 2^{1001001101012} is an apocalyptic number.

It is an amenable number.

1001001101012 is a deficient number, since it is larger than the sum of its proper divisors (936644481196).

1001001101012 is a wasteful number, since it uses less digits than its factorization.

1001001101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20589 (or 20576 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1001001101012 its reverse (2101011001001), we get a palindrome (3102012102013).

The spelling of 1001001101012 in words is "one trillion, one billion, one million, one hundred one thousand, twelve".