212968237 has 2 divisors, whose sum is σ = 212968238. Its totient is φ = 212968236.

The previous prime is 212968219. The next prime is 212968243. The reversal of 212968237 is 732869212.

212968237 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., 205234276 + 7733961 = 14326^2 + 2781^2 .

It is a cyclic number.

It is not a de Polignac number, because 212968237 - 2¹⁵ = 212935469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212968237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212968037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106484118 + 106484119.

It is an arithmetic number, because the mean of its divisors is an integer number (106484119).

Almost surely, 2^212968237 is an apocalyptic number.

It is an amenable number.

212968237 is a deficient number, since it is larger than the sum of its proper divisors (1).

212968237 is an equidigital number, since it uses as much as digits as its factorization.

212968237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 212968237 is about 14593.4312963059. The cubic root of 212968237 is about 597.1795748140.

The spelling of 212968237 in words is "two hundred twelve million, nine hundred sixty-eight thousand, two hundred thirty-seven".