100000000012 has 24 divisors (see below), whose sum is σ = 197067451392. Its totient is φ = 43988269200.

The previous prime is 100000000003. The next prime is 100000000019. The reversal of 100000000012 is 210000000001.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is not an unprimeable number, because it can be changed into a prime (100000000019) 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 7 ways as a sum of consecutive naturals, for example, 36655528 + ... + 36658255.

It is an arithmetic number, because the mean of its divisors is an integer number (8211143808).

Almost surely, 2^100000000012 is an apocalyptic number.

It is an amenable number.

100000000012 is a deficient number, since it is larger than the sum of its proper divisors (97067451380).

100000000012 is a wasteful number, since it uses less digits than its factorization.

100000000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73313829 (or 73313827 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

Adding to 100000000012 its reverse (210000000001), we get a palindrome (310000000013).

It can be divided in two parts, 10000000001 and 2, that multiplied together give a palindrome (20000000002).

The spelling of 100000000012 in words is "one hundred billion, twelve", and thus it is an aban number.