212013201679 has 2 divisors, whose sum is σ = 212013201680. Its totient is φ = 212013201678.

The previous prime is 212013201671. The next prime is 212013201689. The reversal of 212013201679 is 976102310212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212013201679 - 2³ = 212013201671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013201671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006600839 + 106006600840.

It is an arithmetic number, because the mean of its divisors is an integer number (106006600840).

Almost surely, 2^212013201679 is an apocalyptic number.

212013201679 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013201679 is an equidigital number, since it uses as much as digits as its factorization.

212013201679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 212013201679 in words is "two hundred twelve billion, thirteen million, two hundred one thousand, six hundred seventy-nine".