65212055033077 has 2 divisors, whose sum is σ = 65212055033078. Its totient is φ = 65212055033076.

The previous prime is 65212055033057. The next prime is 65212055033123. The reversal of 65212055033077 is 77033055021256.

It is a happy number.

It is an a-pointer prime, because the next prime (65212055033123) can be obtained adding 65212055033077 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41804901480241 + 23407153552836 = 6465671^2 + 4838094^2 .

It is a cyclic number.

It is not a de Polignac number, because 65212055033077 - 2²³ = 65212046644469 is a prime.

It is a super-2 number, since 2×65212055033077² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65212055033017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32606027516538 + 32606027516539.

It is an arithmetic number, because the mean of its divisors is an integer number (32606027516539).

Almost surely, 2^{65212055033077} is an apocalyptic number.

It is an amenable number.

65212055033077 is a deficient number, since it is larger than the sum of its proper divisors (1).

65212055033077 is an equidigital number, since it uses as much as digits as its factorization.

65212055033077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1323000, while the sum is 46.

The spelling of 65212055033077 in words is "sixty-five trillion, two hundred twelve billion, fifty-five million, thirty-three thousand, seventy-seven".