116212279 has 2 divisors, whose sum is σ = 116212280. Its totient is φ = 116212278.

The previous prime is 116212207. The next prime is 116212321. The reversal of 116212279 is 972212611.

It is a strong prime.

It is an emirp because it is prime and its reverse (972212611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116212279 - 2²³ = 107823671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116212279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116212879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58106139 + 58106140.

It is an arithmetic number, because the mean of its divisors is an integer number (58106140).

Almost surely, 2^116212279 is an apocalyptic number.

116212279 is a deficient number, since it is larger than the sum of its proper divisors (1).

116212279 is an equidigital number, since it uses as much as digits as its factorization.

116212279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 31.

The square root of 116212279 is about 10780.1799150107. The cubic root of 116212279 is about 487.9972103554.

The spelling of 116212279 in words is "one hundred sixteen million, two hundred twelve thousand, two hundred seventy-nine".