212021033303 has 4 divisors (see below), whose sum is σ = 212035764240. Its totient is φ = 212006302368.

The previous prime is 212021033299. The next prime is 212021033317. The reversal of 212021033303 is 303330120212.

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 212021033303 - 2² = 212021033299 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 (212021033333) 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, 7343858 + ... + 7372671.

It is an arithmetic number, because the mean of its divisors is an integer number (53008941060).

Almost surely, 2^212021033303 is an apocalyptic number.

212021033303 is a deficient number, since it is larger than the sum of its proper divisors (14730937).

212021033303 is a wasteful number, since it uses less digits than its factorization.

212021033303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14730936.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 212021033303 its reverse (303330120212), we get a palindrome (515351153515).

The spelling of 212021033303 in words is "two hundred twelve billion, twenty-one million, thirty-three thousand, three hundred three".