212055293 has 2 divisors, whose sum is σ = 212055294. Its totient is φ = 212055292.

The previous prime is 212055287. The next prime is 212055299. The reversal of 212055293 is 392550212.

It is a balanced prime because it is at equal distance from previous prime (212055287) and next prime (212055299).

It can be written as a sum of positive squares in only one way, i.e., 120604324 + 91450969 = 10982^2 + 9563^2 .

It is a cyclic number.

It is not a de Polignac number, because 212055293 - 2²⁰ = 211006717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212055299) 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 as a sum of consecutive naturals, namely, 106027646 + 106027647.

It is an arithmetic number, because the mean of its divisors is an integer number (106027647).

Almost surely, 2^212055293 is an apocalyptic number.

It is an amenable number.

212055293 is a deficient number, since it is larger than the sum of its proper divisors (1).

212055293 is an equidigital number, since it uses as much as digits as its factorization.

212055293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 212055293 is about 14562.1184241854. The cubic root of 212055293 is about 596.3250304723.

The spelling of 212055293 in words is "two hundred twelve million, fifty-five thousand, two hundred ninety-three".