212235011503 has 4 divisors (see below), whose sum is σ = 212267765248. Its totient is φ = 212202257760.

The previous prime is 212235011501. The next prime is 212235011551. The reversal of 212235011503 is 305110532212.

212235011503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212235011503 - 2¹ = 212235011501 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 (212235011501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16367151 + ... + 16380112.

It is an arithmetic number, because the mean of its divisors is an integer number (53066941312).

Almost surely, 2^212235011503 is an apocalyptic number.

212235011503 is a deficient number, since it is larger than the sum of its proper divisors (32753745).

212235011503 is an equidigital number, since it uses as much as digits as its factorization.

212235011503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32753744.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 212235011503 its reverse (305110532212), we get a palindrome (517345543715).

The spelling of 212235011503 in words is "two hundred twelve billion, two hundred thirty-five million, eleven thousand, five hundred three".