100001011001012 has 144 divisors (see below), whose sum is σ = 196238529337536. Its totient is φ = 44548065408000.

The previous prime is 100001011000997. The next prime is 100001011001039. The reversal of 100001011001012 is 210100110100001.

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 47 ways as a sum of consecutive naturals, for example, 4347291503 + ... + 4347314505.

It is an arithmetic number, because the mean of its divisors is an integer number (1362767564844).

Almost surely, 2^{100001011001012} is an apocalyptic number.

It is an amenable number.

100001011001012 is a deficient number, since it is larger than the sum of its proper divisors (96237518336524).

100001011001012 is a wasteful number, since it uses less digits than its factorization.

100001011001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24030 (or 24017 counting only the distinct ones).

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

Adding to 100001011001012 its reverse (210100110100001), we get a palindrome (310101121101013).

The spelling of 100001011001012 in words is "one hundred trillion, one billion, eleven million, one thousand, twelve".