212112321079 has 2 divisors, whose sum is σ = 212112321080. Its totient is φ = 212112321078.

The previous prime is 212112321037. The next prime is 212112321097. The reversal of 212112321079 is 970123211212.

Together with next prime (212112321097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212112321079 - 2¹³ = 212112312887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212112321079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212112325079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056160539 + 106056160540.

It is an arithmetic number, because the mean of its divisors is an integer number (106056160540).

Almost surely, 2^212112321079 is an apocalyptic number.

212112321079 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112321079 is an equidigital number, since it uses as much as digits as its factorization.

212112321079 is an evil number, because the sum of its binary digits is even.

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

The spelling of 212112321079 in words is "two hundred twelve billion, one hundred twelve million, three hundred twenty-one thousand, seventy-nine".