212021112303 has 128 divisors (see below), whose sum is σ = 425835970560. Its totient is φ = 100680071040.

The previous prime is 212021112301. The next prime is 212021112307. The reversal of 212021112303 is 303211120212.

It is not a de Polignac number, because 212021112303 - 2¹ = 212021112301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021112301) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2745700 + ... + 2821862.

It is an arithmetic number, because the mean of its divisors is an integer number (3326843520).

Almost surely, 2^212021112303 is an apocalyptic number.

212021112303 is an abundant number, since it is smaller than the sum of its proper divisors (213814858257).

212021112303 is a wasteful number, since it uses less digits than its factorization.

212021112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76306 (or 76300 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212021112303 its reverse (303211120212), we get a palindrome (515232232515).

The spelling of 212021112303 in words is "two hundred twelve billion, twenty-one million, one hundred twelve thousand, three hundred three".