2112100412 has 12 divisors (see below), whose sum is σ = 3730086360. Its totient is φ = 1046361456.

The previous prime is 2112100411. The next prime is 2112100427. The reversal of 2112100412 is 2140012112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112100411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2421698 + ... + 2422569.

It is an arithmetic number, because the mean of its divisors is an integer number (310840530).

Almost surely, 2^2112100412 is an apocalyptic number.

It is an amenable number.

2112100412 is a deficient number, since it is larger than the sum of its proper divisors (1617985948).

2112100412 is a wasteful number, since it uses less digits than its factorization.

2112100412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844380 (or 4844378 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2112100412 is about 45957.5936271689. The cubic root of 2112100412 is about 1283.0340646898.

Adding to 2112100412 its reverse (2140012112), we get a palindrome (4252112524).

The spelling of 2112100412 in words is "two billion, one hundred twelve million, one hundred thousand, four hundred twelve".