524878217412 has 12 divisors (see below), whose sum is σ = 1224715840656. Its totient is φ = 174959405800.

The previous prime is 524878217393. The next prime is 524878217419. The reversal of 524878217412 is 214712878425.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×524878217412² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (524878217419) 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, 21869925714 + ... + 21869925737.

It is an arithmetic number, because the mean of its divisors is an integer number (102059653388).

Almost surely, 2^524878217412 is an apocalyptic number.

It is an amenable number.

524878217412 is an abundant number, since it is smaller than the sum of its proper divisors (699837623244).

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

524878217412 is a wasteful number, since it uses less digits than its factorization.

524878217412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43739851458 (or 43739851456 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 51.

The spelling of 524878217412 in words is "five hundred twenty-four billion, eight hundred seventy-eight million, two hundred seventeen thousand, four hundred twelve".