212988343 has 4 divisors (see below), whose sum is σ = 213519888. Its totient is φ = 212456800.

The previous prime is 212988337. The next prime is 212988353. The reversal of 212988343 is 343889212.

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 212988343 - 2¹³ = 212980151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212988296 and 212988305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212988353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265171 + ... + 265972.

It is an arithmetic number, because the mean of its divisors is an integer number (53379972).

Almost surely, 2^212988343 is an apocalyptic number.

212988343 is a deficient number, since it is larger than the sum of its proper divisors (531545).

212988343 is an equidigital number, since it uses as much as digits as its factorization.

212988343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531544.

The product of its digits is 82944, while the sum is 40.

The square root of 212988343 is about 14594.1201516227. The cubic root of 212988343 is about 597.1983671542.

The spelling of 212988343 in words is "two hundred twelve million, nine hundred eighty-eight thousand, three hundred forty-three".