100000101212 has 24 divisors (see below), whose sum is σ = 192799483632. Its totient is φ = 45004544000.

The previous prime is 100000101209. The next prime is 100000101217. The reversal of 100000101212 is 212101000001.

It is a self number, because there is not a number n which added to its sum of digits gives 100000101212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000101217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11246693 + ... + 11255580.

It is an arithmetic number, because the mean of its divisors is an integer number (8033311818).

Almost surely, 2^100000101212 is an apocalyptic number.

It is an amenable number.

100000101212 is a deficient number, since it is larger than the sum of its proper divisors (92799382420).

100000101212 is a wasteful number, since it uses less digits than its factorization.

100000101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22502389 (or 22502387 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100000101212 its reverse (212101000001), we get a palindrome (312101101213).

The spelling of 100000101212 in words is "one hundred billion, one hundred one thousand, two hundred twelve".