212179039 has 2 divisors, whose sum is σ = 212179040. Its totient is φ = 212179038.

The previous prime is 212179003. The next prime is 212179067. The reversal of 212179039 is 930971212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212179039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212178995 and 212179013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212179339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106089519 + 106089520.

It is an arithmetic number, because the mean of its divisors is an integer number (106089520).

Almost surely, 2^212179039 is an apocalyptic number.

212179039 is a deficient number, since it is larger than the sum of its proper divisors (1).

212179039 is an equidigital number, since it uses as much as digits as its factorization.

212179039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 212179039 is about 14566.3667055309. The cubic root of 212179039 is about 596.4410041362.

The spelling of 212179039 in words is "two hundred twelve million, one hundred seventy-nine thousand, thirty-nine".