4520522777012 has 18 divisors (see below), whose sum is σ = 8695468400514. Its totient is φ = 2054783080240.

The previous prime is 4520522776981. The next prime is 4520522777039. The reversal of 4520522777012 is 2107772250254.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3821884241296 + 698638535716 = 1954964^2 + 835846^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4669961063 + ... + 4669962030.

Almost surely, 2^{4520522777012} is an apocalyptic number.

It is an amenable number.

4520522777012 is a deficient number, since it is larger than the sum of its proper divisors (4174945623502).

4520522777012 is a wasteful number, since it uses less digits than its factorization.

4520522777012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9339923119 (or 9339923106 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 44.

The spelling of 4520522777012 in words is "four trillion, five hundred twenty billion, five hundred twenty-two million, seven hundred seventy-seven thousand, twelve".