5120405012 has 12 divisors (see below), whose sum is σ = 8968304436. Its totient is φ = 2558032320.

The previous prime is 5120405011. The next prime is 5120405033. The reversal of 5120405012 is 2105040215.

It can be written as a sum of positive squares in 2 ways, for example, as 3889517956 + 1230887056 = 62366^2 + 35084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120405011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537233 + ... + 546680.

It is an arithmetic number, because the mean of its divisors is an integer number (747358703).

Almost surely, 2^5120405012 is an apocalyptic number.

It is an amenable number.

5120405012 is a deficient number, since it is larger than the sum of its proper divisors (3847899424).

5120405012 is a wasteful number, since it uses less digits than its factorization.

5120405012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085098 (or 1085096 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 5120405012 is about 71557.0053314139. The cubic root of 5120405012 is about 1723.5931972805.

Adding to 5120405012 its reverse (2105040215), we get a palindrome (7225445227).

The spelling of 5120405012 in words is "five billion, one hundred twenty million, four hundred five thousand, twelve".