212040992239 has 2 divisors, whose sum is σ = 212040992240. Its totient is φ = 212040992238.

The previous prime is 212040992221. The next prime is 212040992249. The reversal of 212040992239 is 932299040212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212040992239 - 2⁹ = 212040991727 is a prime.

It is a super-2 number, since 2×212040992239² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212040992195 and 212040992204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212040992209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106020496119 + 106020496120.

It is an arithmetic number, because the mean of its divisors is an integer number (106020496120).

Almost surely, 2^212040992239 is an apocalyptic number.

212040992239 is a deficient number, since it is larger than the sum of its proper divisors (1).

212040992239 is an equidigital number, since it uses as much as digits as its factorization.

212040992239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 212040992239 in words is "two hundred twelve billion, forty million, nine hundred ninety-two thousand, two hundred thirty-nine".