212112110001 has 16 divisors (see below), whose sum is σ = 311581430208. Its totient is φ = 127279992000.

The previous prime is 212112109991. The next prime is 212112110011. The reversal of 212112110001 is 100011211212.

It is an interprime number because it is at equal distance from previous prime (212112109991) and next prime (212112110011).

It is not a de Polignac number, because 212112110001 - 2²² = 212107915697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112110011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31816666 + ... + 31823331.

It is an arithmetic number, because the mean of its divisors is an integer number (19473839388).

Almost surely, 2^212112110001 is an apocalyptic number.

It is an amenable number.

212112110001 is a deficient number, since it is larger than the sum of its proper divisors (99469320207).

212112110001 is a wasteful number, since it uses less digits than its factorization.

212112110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63640112.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212112110001 its reverse (100011211212), we get a palindrome (312123321213).

The spelling of 212112110001 in words is "two hundred twelve billion, one hundred twelve million, one hundred ten thousand, one".