520071592212 has 36 divisors (see below), whose sum is σ = 1314750877440. Its totient is φ = 173340652752.

The previous prime is 520071592207. The next prime is 520071592219. The reversal of 520071592212 is 212295170025.

520071592212 is a `hidden beast` number, since 52 + 0 + 0 + 7 + 1 + 592 + 2 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×520071592212² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520071592219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303958 + ... + 1064205.

Almost surely, 2^520071592212 is an apocalyptic number.

It is an amenable number.

520071592212 is an abundant number, since it is smaller than the sum of its proper divisors (794679285228).

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

520071592212 is a wasteful number, since it uses less digits than its factorization.

520071592212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378732 (or 1378727 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 520071592212 in words is "five hundred twenty billion, seventy-one million, five hundred ninety-two thousand, two hundred twelve".