52123100012 has 6 divisors (see below), whose sum is σ = 91215425028. Its totient is φ = 26061550004.

The previous prime is 52123099991. The next prime is 52123100069. The reversal of 52123100012 is 21000132125.

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 as a sum of consecutive naturals, namely, 6515387498 + ... + 6515387505.

It is an arithmetic number, because the mean of its divisors is an integer number (15202570838).

Almost surely, 2^52123100012 is an apocalyptic number.

It is an amenable number.

52123100012 is a deficient number, since it is larger than the sum of its proper divisors (39092325016).

52123100012 is a wasteful number, since it uses less digits than its factorization.

52123100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030775007 (or 13030775005 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 52123100012 its reverse (21000132125), we get a palindrome (73123232137).

The spelling of 52123100012 in words is "fifty-two billion, one hundred twenty-three million, one hundred thousand, twelve".