212112031303 has 4 divisors (see below), whose sum is σ = 212131702120. Its totient is φ = 212092360488.

The previous prime is 212112031249. The next prime is 212112031309. The reversal of 212112031303 is 303130211212.

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 212112031303 - 2⁹ = 212112030791 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 (212112031309) 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, 9819225 + ... + 9840802.

It is an arithmetic number, because the mean of its divisors is an integer number (53032925530).

Almost surely, 2^212112031303 is an apocalyptic number.

212112031303 is a deficient number, since it is larger than the sum of its proper divisors (19670817).

212112031303 is a wasteful number, since it uses less digits than its factorization.

212112031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19670816.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212112031303 its reverse (303130211212), we get a palindrome (515242242515).

The spelling of 212112031303 in words is "two hundred twelve billion, one hundred twelve million, thirty-one thousand, three hundred three".