520261266012 has 24 divisors (see below), whose sum is σ = 1266723083136. Its totient is φ = 165880403568.

The previous prime is 520261265983. The next prime is 520261266013. The reversal of 520261266012 is 210662162025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520261266013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942502018 + ... + 942502569.

It is an arithmetic number, because the mean of its divisors is an integer number (52780128464).

Almost surely, 2^520261266012 is an apocalyptic number.

It is an amenable number.

520261266012 is an abundant number, since it is smaller than the sum of its proper divisors (746461817124).

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

520261266012 is a wasteful number, since it uses less digits than its factorization.

520261266012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885004617 (or 1885004615 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 520261266012 in words is "five hundred twenty billion, two hundred sixty-one million, two hundred sixty-six thousand, twelve".