5123450012 has 12 divisors (see below), whose sum is σ = 8967556416. Its totient is φ = 2561291040.

The previous prime is 5123450009. The next prime is 5123450029. The reversal of 5123450012 is 2100543215.

It is a self number, because there is not a number n which added to its sum of digits gives 5123450012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81164 + ... + 129747.

It is an arithmetic number, because the mean of its divisors is an integer number (747296368).

Almost surely, 2^5123450012 is an apocalyptic number.

It is an amenable number.

5123450012 is a deficient number, since it is larger than the sum of its proper divisors (3844106404).

5123450012 is a wasteful number, since it uses less digits than its factorization.

5123450012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216988 (or 216986 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5123450012 is about 71578.2789119716. The cubic root of 5123450012 is about 1723.9347914354.

Adding to 5123450012 its reverse (2100543215), we get a palindrome (7223993227).

The spelling of 5123450012 in words is "five billion, one hundred twenty-three million, four hundred fifty thousand, twelve".