212103022303 has 4 divisors (see below), whose sum is σ = 212106435480. Its totient is φ = 212099609128.

The previous prime is 212103022231. The next prime is 212103022319. The reversal of 212103022303 is 303220301212.

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 212103022303 - 2¹³ = 212103014111 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 (212103022393) 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, 1611613 + ... + 1738246.

It is an arithmetic number, because the mean of its divisors is an integer number (53026608870).

Almost surely, 2^212103022303 is an apocalyptic number.

212103022303 is a deficient number, since it is larger than the sum of its proper divisors (3413177).

212103022303 is an equidigital number, since it uses as much as digits as its factorization.

212103022303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413176.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212103022303 its reverse (303220301212), we get a palindrome (515323323515).

The spelling of 212103022303 in words is "two hundred twelve billion, one hundred three million, twenty-two thousand, three hundred three".