71212673299 has 2 divisors, whose sum is σ = 71212673300. Its totient is φ = 71212673298.

The previous prime is 71212673261. The next prime is 71212673309. The reversal of 71212673299 is 99237621217.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71212673299 - 2¹⁷ = 71212542227 is a prime.

It is not a weakly prime, because it can be changed into another prime (71212673219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35606336649 + 35606336650.

It is an arithmetic number, because the mean of its divisors is an integer number (35606336650).

Almost surely, 2^71212673299 is an apocalyptic number.

71212673299 is a deficient number, since it is larger than the sum of its proper divisors (1).

71212673299 is an equidigital number, since it uses as much as digits as its factorization.

71212673299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 49.

The spelling of 71212673299 in words is "seventy-one billion, two hundred twelve million, six hundred seventy-three thousand, two hundred ninety-nine".