64112130212 has 48 divisors (see below), whose sum is σ = 125371960560. Its totient is φ = 28493586432.

The previous prime is 64112130191. The next prime is 64112130281. The reversal of 64112130212 is 21203121146.

It can be written as a sum of positive squares in 8 ways, for example, as 636351076 + 63475779136 = 25226^2 + 251944^2 .

It is a super-2 number, since 2×64112130212² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14864 + ... + 358392.

It is an arithmetic number, because the mean of its divisors is an integer number (2611915845).

Almost surely, 2^64112130212 is an apocalyptic number.

It is an amenable number.

64112130212 is a deficient number, since it is larger than the sum of its proper divisors (61259830348).

64112130212 is a wasteful number, since it uses less digits than its factorization.

64112130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343680 (or 343678 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 64112130212 its reverse (21203121146), we get a palindrome (85315251358).

The spelling of 64112130212 in words is "sixty-four billion, one hundred twelve million, one hundred thirty thousand, two hundred twelve".