100112120212 has 48 divisors (see below), whose sum is σ = 191904572160. Its totient is φ = 45419317632.

The previous prime is 100112120191. The next prime is 100112120243. The reversal of 100112120212 is 212021211001.

It is a super-2 number, since 2×100112120212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 100112120192 and 100112120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878838 + ... + 986194.

It is an arithmetic number, because the mean of its divisors is an integer number (3998011920).

Almost surely, 2^100112120212 is an apocalyptic number.

It is an amenable number.

100112120212 is a deficient number, since it is larger than the sum of its proper divisors (91792451948).

100112120212 is a wasteful number, since it uses less digits than its factorization.

100112120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107680 (or 107678 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100112120212 its reverse (212021211001), we get a palindrome (312133331213).

The spelling of 100112120212 in words is "one hundred billion, one hundred twelve million, one hundred twenty thousand, two hundred twelve".