212011323179 has 2 divisors, whose sum is σ = 212011323180. Its totient is φ = 212011323178.

The previous prime is 212011323133. The next prime is 212011323239. The reversal of 212011323179 is 971323110212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212011323179 is a prime.

It is a super-2 number, since 2×212011323179² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212011323479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005661589 + 106005661590.

It is an arithmetic number, because the mean of its divisors is an integer number (106005661590).

Almost surely, 2^212011323179 is an apocalyptic number.

212011323179 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011323179 is an equidigital number, since it uses as much as digits as its factorization.

212011323179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 212011323179 in words is "two hundred twelve billion, eleven million, three hundred twenty-three thousand, one hundred seventy-nine".