212402339 has 2 divisors, whose sum is σ = 212402340. Its totient is φ = 212402338.

The previous prime is 212402321. The next prime is 212402357. The reversal of 212402339 is 933204212.

It is a balanced prime because it is at equal distance from previous prime (212402321) and next prime (212402357).

It is a cyclic number.

It is not a de Polignac number, because 212402339 - 2¹² = 212398243 is a prime.

It is a super-2 number, since 2×212402339² = 90229507225341842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212401339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106201169 + 106201170.

It is an arithmetic number, because the mean of its divisors is an integer number (106201170).

Almost surely, 2^212402339 is an apocalyptic number.

212402339 is a deficient number, since it is larger than the sum of its proper divisors (1).

212402339 is an equidigital number, since it uses as much as digits as its factorization.

212402339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 212402339 is about 14574.0296074902. The cubic root of 212402339 is about 596.6501648873.

The spelling of 212402339 in words is "two hundred twelve million, four hundred two thousand, three hundred thirty-nine".