100020001012 has 12 divisors (see below), whose sum is σ = 177647464960. Its totient is φ = 49263582456.

The previous prime is 100020001009. The next prime is 100020001019. The reversal of 100020001012 is 210100020001.

It is a junction number, because it is equal to n+sod(n) for n = 100020000986 and 100020001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020001019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186604212 + ... + 186604747.

Almost surely, 2^100020001012 is an apocalyptic number.

It is an amenable number.

100020001012 is a deficient number, since it is larger than the sum of its proper divisors (77627463948).

100020001012 is a wasteful number, since it uses less digits than its factorization.

100020001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373209030 (or 373209028 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100020001012 its reverse (210100020001), we get a palindrome (310120021013).

The spelling of 100020001012 in words is "one hundred billion, twenty million, one thousand, twelve".