212251343 has 2 divisors, whose sum is σ = 212251344. Its totient is φ = 212251342.

The previous prime is 212251339. The next prime is 212251349. The reversal of 212251343 is 343152212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212251343 - 2² = 212251339 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212251349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106125671 + 106125672.

It is an arithmetic number, because the mean of its divisors is an integer number (106125672).

Almost surely, 2^212251343 is an apocalyptic number.

212251343 is a deficient number, since it is larger than the sum of its proper divisors (1).

212251343 is an equidigital number, since it uses as much as digits as its factorization.

212251343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 212251343 is about 14568.8483759012. The cubic root of 212251343 is about 596.5087459403.

The spelling of 212251343 in words is "two hundred twelve million, two hundred fifty-one thousand, three hundred forty-three".