212222650172759 has 2 divisors, whose sum is σ = 212222650172760. Its totient is φ = 212222650172758.

The previous prime is 212222650172593. The next prime is 212222650172773. The reversal of 212222650172759 is 957271056222212.

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-212222650172759 is a prime.

It is a super-2 number, since 2×212222650172759² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212222650172759.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212222650172959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106111325086379 + 106111325086380.

It is an arithmetic number, because the mean of its divisors is an integer number (106111325086380).

Almost surely, 2^{212222650172759} is an apocalyptic number.

212222650172759 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222650172759 is an equidigital number, since it uses as much as digits as its factorization.

212222650172759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 212222650172759 in words is "two hundred twelve trillion, two hundred twenty-two billion, six hundred fifty million, one hundred seventy-two thousand, seven hundred fifty-nine".