212021032303 has 8 divisors (see below), whose sum is σ = 213344907776. Its totient is φ = 210700488600.

The previous prime is 212021032297. The next prime is 212021032337. The reversal of 212021032303 is 303230120212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212021032303 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 (212021032603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705213 + ... + 959878.

It is an arithmetic number, because the mean of its divisors is an integer number (26668113472).

Almost surely, 2^212021032303 is an apocalyptic number.

212021032303 is a deficient number, since it is larger than the sum of its proper divisors (1323875473).

212021032303 is a wasteful number, since it uses less digits than its factorization.

212021032303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665885.

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

Adding to 212021032303 its reverse (303230120212), we get a palindrome (515251152515).

The spelling of 212021032303 in words is "two hundred twelve billion, twenty-one million, thirty-two thousand, three hundred three".