212103101203 has 16 divisors (see below), whose sum is σ = 248311503360. Its totient is φ = 177416675136.

The previous prime is 212103101201. The next prime is 212103101237. The reversal of 212103101203 is 302101301212.

It is a cyclic number.

It is not a de Polignac number, because 212103101203 - 2¹ = 212103101201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212103101201) 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, 1817751 + ... + 1930912.

It is an arithmetic number, because the mean of its divisors is an integer number (15519468960).

Almost surely, 2^212103101203 is an apocalyptic number.

212103101203 is a deficient number, since it is larger than the sum of its proper divisors (36208402157).

212103101203 is a wasteful number, since it uses less digits than its factorization.

212103101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748866.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212103101203 its reverse (302101301212), we get a palindrome (514204402415).

Subtracting 212103101203 from its reverse (302101301212), we obtain a square (89998200009 = 299997²).

The spelling of 212103101203 in words is "two hundred twelve billion, one hundred three million, one hundred one thousand, two hundred three".