212219936767 has 2 divisors, whose sum is σ = 212219936768. Its totient is φ = 212219936766.

The previous prime is 212219936749. The next prime is 212219936771. The reversal of 212219936767 is 767639912212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212219936767 - 2¹⁵ = 212219903999 is a prime.

It is a super-2 number, since 2×212219936767² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212219936267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106109968383 + 106109968384.

It is an arithmetic number, because the mean of its divisors is an integer number (106109968384).

Almost surely, 2^212219936767 is an apocalyptic number.

212219936767 is a deficient number, since it is larger than the sum of its proper divisors (1).

212219936767 is an equidigital number, since it uses as much as digits as its factorization.

212219936767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 55.

The spelling of 212219936767 in words is "two hundred twelve billion, two hundred nineteen million, nine hundred thirty-six thousand, seven hundred sixty-seven".