100101212012 has 12 divisors (see below), whose sum is σ = 175312821096. Its totient is φ = 50011834560.

The previous prime is 100101211963. The next prime is 100101212021. The reversal of 100101212012 is 210212101001.

It is a junction number, because it is equal to n+sod(n) for n = 100101211984 and 100101212002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9687053 + ... + 9697380.

It is an arithmetic number, because the mean of its divisors is an integer number (14609401758).

Almost surely, 2^100101212012 is an apocalyptic number.

It is an amenable number.

100101212012 is a deficient number, since it is larger than the sum of its proper divisors (75211609084).

100101212012 is a wasteful number, since it uses less digits than its factorization.

100101212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19385728 (or 19385726 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100101212012 its reverse (210212101001), we get a palindrome (310313313013).

The spelling of 100101212012 in words is "one hundred billion, one hundred one million, two hundred twelve thousand, twelve".