100001112212 has 24 divisors (see below), whose sum is σ = 182622819456. Its totient is φ = 47823451808.

The previous prime is 100001112187. The next prime is 100001112221. The reversal of 100001112212 is 212211100001.

It is a junction number, because it is equal to n+sod(n) for n = 100001112193 and 100001112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1958033 + ... + 2008455.

It is an arithmetic number, because the mean of its divisors is an integer number (7609284144).

Almost surely, 2^100001112212 is an apocalyptic number.

It is an amenable number.

100001112212 is a deficient number, since it is larger than the sum of its proper divisors (82621707244).

100001112212 is a wasteful number, since it uses less digits than its factorization.

100001112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72007 (or 72005 counting only the distinct ones).

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

Adding to 100001112212 its reverse (212211100001), we get a palindrome (312212212213).

The spelling of 100001112212 in words is "one hundred billion, one million, one hundred twelve thousand, two hundred twelve".