5340123121512 has 32 divisors (see below), whose sum is σ = 13569165312480. Its totient is φ = 1750860039360.

The previous prime is 5340123121477. The next prime is 5340123121577. The reversal of 5340123121512 is 2151213210435.

It is a happy number.

It is a super-2 number, since 2×5340123121512² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5340123121512.

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 7 ways as a sum of consecutive naturals, for example, 1823811078 + ... + 1823814005.

It is an arithmetic number, because the mean of its divisors is an integer number (424036416015).

Almost surely, 2^{5340123121512} is an apocalyptic number.

It is an amenable number.

5340123121512 is an abundant number, since it is smaller than the sum of its proper divisors (8229042190968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5340123121512 is a wasteful number, since it uses less digits than its factorization.

5340123121512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647625153 (or 3647625149 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 5340123121512 its reverse (2151213210435), we get a palindrome (7491336331947).

The spelling of 5340123121512 in words is "five trillion, three hundred forty billion, one hundred twenty-three million, one hundred twenty-one thousand, five hundred twelve".