212021000303 has 16 divisors (see below), whose sum is σ = 252883938816. Its totient is φ = 173804056800.

The previous prime is 212021000297. The next prime is 212021000363. The reversal of 212021000303 is 303000120212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212021000303 - 2²⁸ = 211752564847 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 (212021000363) 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, 980600 + ... + 1177122.

It is an arithmetic number, because the mean of its divisors is an integer number (15805246176).

Almost surely, 2^212021000303 is an apocalyptic number.

212021000303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212021000303 is a deficient number, since it is larger than the sum of its proper divisors (40862938513).

212021000303 is a wasteful number, since it uses less digits than its factorization.

212021000303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203254.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 212021000303 its reverse (303000120212), we get a palindrome (515021120515).

The spelling of 212021000303 in words is "two hundred twelve billion, twenty-one million, three hundred three", and thus it is an aban number.