212112101203 has 4 divisors (see below), whose sum is σ = 217285567128. Its totient is φ = 206938635280.

The previous prime is 212112101189. The next prime is 212112101207. The reversal of 212112101203 is 302101211212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212112101203 - 2⁵ = 212112101171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212112101207) 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, 2586732901 + ... + 2586732982.

It is an arithmetic number, because the mean of its divisors is an integer number (54321391782).

Almost surely, 2^212112101203 is an apocalyptic number.

212112101203 is a deficient number, since it is larger than the sum of its proper divisors (5173465925).

212112101203 is an equidigital number, since it uses as much as digits as its factorization.

212112101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173465924.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212112101203 its reverse (302101211212), we get a palindrome (514213312415).

The spelling of 212112101203 in words is "two hundred twelve billion, one hundred twelve million, one hundred one thousand, two hundred three".