212103293 has 2 divisors, whose sum is σ = 212103294. Its totient is φ = 212103292.

The previous prime is 212103259. The next prime is 212103313. The reversal of 212103293 is 392301212.

212103293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139546969 + 72556324 = 11813^2 + 8518^2 .

It is a cyclic number.

It is not a de Polignac number, because 212103293 - 2⁸ = 212103037 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 (212103223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051646 + 106051647.

It is an arithmetic number, because the mean of its divisors is an integer number (106051647).

Almost surely, 2^212103293 is an apocalyptic number.

It is an amenable number.

212103293 is a deficient number, since it is larger than the sum of its proper divisors (1).

212103293 is an equidigital number, since it uses as much as digits as its factorization.

212103293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 212103293 is about 14563.7664427853. The cubic root of 212103293 is about 596.3700210054.

The spelling of 212103293 in words is "two hundred twelve million, one hundred three thousand, two hundred ninety-three".