64125120122 has 16 divisors (see below), whose sum is σ = 113474867712. Its totient is φ = 26595671760.

The previous prime is 64125120121. The next prime is 64125120139. The reversal of 64125120122 is 22102152146.

It is a super-2 number, since 2×64125120122² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64125120091 and 64125120100.

It is not an unprimeable number, because it can be changed into a prime (64125120121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73876433 + ... + 73877300.

It is an arithmetic number, because the mean of its divisors is an integer number (7092179232).

Almost surely, 2^64125120122 is an apocalyptic number.

64125120122 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

64125120122 is a deficient number, since it is larger than the sum of its proper divisors (49349747590).

64125120122 is a wasteful number, since it uses less digits than its factorization.

64125120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147753773.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 64125120122 its reverse (22102152146), we get a palindrome (86227272268).

The spelling of 64125120122 in words is "sixty-four billion, one hundred twenty-five million, one hundred twenty thousand, one hundred twenty-two".