65250020122 has 64 divisors (see below), whose sum is σ = 113906810880. Its totient is φ = 27458222400.

The previous prime is 65250020119. The next prime is 65250020137. The reversal of 65250020122 is 22102005256.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92030704 + ... + 92031412.

It is an arithmetic number, because the mean of its divisors is an integer number (1779793920).

Almost surely, 2^65250020122 is an apocalyptic number.

65250020122 is a deficient number, since it is larger than the sum of its proper divisors (48656790758).

65250020122 is a wasteful number, since it uses less digits than its factorization.

65250020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 65250020122 its reverse (22102005256), we get a palindrome (87352025378).

The spelling of 65250020122 in words is "sixty-five billion, two hundred fifty million, twenty thousand, one hundred twenty-two".