212040329 has 2 divisors, whose sum is σ = 212040330. Its totient is φ = 212040328.

The previous prime is 212040313. The next prime is 212040347. The reversal of 212040329 is 923040212.

212040329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205865104 + 6175225 = 14348^2 + 2485^2 .

It is a cyclic number.

It is not a de Polignac number, because 212040329 - 2⁴ = 212040313 is a prime.

It is a super-2 number, since 2×212040329² = 89922202244856482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212040529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106020164 + 106020165.

It is an arithmetic number, because the mean of its divisors is an integer number (106020165).

Almost surely, 2^212040329 is an apocalyptic number.

It is an amenable number.

212040329 is a deficient number, since it is larger than the sum of its proper divisors (1).

212040329 is an equidigital number, since it uses as much as digits as its factorization.

212040329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 212040329 is about 14561.6046162502. The cubic root of 212040329 is about 596.3110032854.

The spelling of 212040329 in words is "two hundred twelve million, forty thousand, three hundred twenty-nine".