212440213103 has 4 divisors (see below), whose sum is σ = 212441141040. Its totient is φ = 212439285168.

The previous prime is 212440213099. The next prime is 212440213109. The reversal of 212440213103 is 301312044212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212440213103 - 2² = 212440213099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212440213109) 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, 152243 + ... + 669371.

It is an arithmetic number, because the mean of its divisors is an integer number (53110285260).

Almost surely, 2^212440213103 is an apocalyptic number.

212440213103 is a deficient number, since it is larger than the sum of its proper divisors (927937).

212440213103 is an equidigital number, since it uses as much as digits as its factorization.

212440213103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927936.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212440213103 its reverse (301312044212), we get a palindrome (513752257315).

The spelling of 212440213103 in words is "two hundred twelve billion, four hundred forty million, two hundred thirteen thousand, one hundred three".