212014237 has 2 divisors, whose sum is σ = 212014238. Its totient is φ = 212014236.

The previous prime is 212014211. The next prime is 212014241. The reversal of 212014237 is 732410212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199204996 + 12809241 = 14114^2 + 3579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212014237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212014247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106007118 + 106007119.

It is an arithmetic number, because the mean of its divisors is an integer number (106007119).

Almost surely, 2^212014237 is an apocalyptic number.

It is an amenable number.

212014237 is a deficient number, since it is larger than the sum of its proper divisors (1).

212014237 is an equidigital number, since it uses as much as digits as its factorization.

212014237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 212014237 is about 14560.7086709404. The cubic root of 212014237 is about 596.2865431823.

Adding to 212014237 its reverse (732410212), we get a palindrome (944424449).

The spelling of 212014237 in words is "two hundred twelve million, fourteen thousand, two hundred thirty-seven".