65212331029 has 2 divisors, whose sum is σ = 65212331030. Its totient is φ = 65212331028.

The previous prime is 65212331003. The next prime is 65212331039. The reversal of 65212331029 is 92013321256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65089786129 + 122544900 = 255127^2 + 11070^2 .

It is a cyclic number.

It is not a de Polignac number, because 65212331029 - 2¹⁷ = 65212199957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65212330985 and 65212331003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65212331039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32606165514 + 32606165515.

It is an arithmetic number, because the mean of its divisors is an integer number (32606165515).

Almost surely, 2^65212331029 is an apocalyptic number.

It is an amenable number.

65212331029 is a deficient number, since it is larger than the sum of its proper divisors (1).

65212331029 is an equidigital number, since it uses as much as digits as its factorization.

65212331029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 65212331029 in words is "sixty-five billion, two hundred twelve million, three hundred thirty-one thousand, twenty-nine".