212103233357 has 2 divisors, whose sum is σ = 212103233358. Its totient is φ = 212103233356.

The previous prime is 212103233263. The next prime is 212103233359. The reversal of 212103233357 is 753332301212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142818991396 + 69284241961 = 377914^2 + 263219^2 .

It is a cyclic number.

It is not a de Polignac number, because 212103233357 - 2⁸ = 212103233101 is a prime.

Together with 212103233359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212103233359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051616678 + 106051616679.

It is an arithmetic number, because the mean of its divisors is an integer number (106051616679).

Almost surely, 2^212103233357 is an apocalyptic number.

It is an amenable number.

212103233357 is a deficient number, since it is larger than the sum of its proper divisors (1).

212103233357 is an equidigital number, since it uses as much as digits as its factorization.

212103233357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 32.

Adding to 212103233357 its reverse (753332301212), we get a palindrome (965435534569).

The spelling of 212103233357 in words is "two hundred twelve billion, one hundred three million, two hundred thirty-three thousand, three hundred fifty-seven".