512231859234 has 192 divisors, whose sum is σ = 1183964221440. Its totient is φ = 165928331520.

The previous prime is 512231859179. The next prime is 512231859247. The reversal of 512231859234 is 432958132215.

512231859234 is a `hidden beast` number, since 5 + 1 + 2 + 23 + 1 + 8 + 592 + 34 = 666.

It is a super-2 number, since 2×512231859234² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 512231859234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1337419807 + ... + 1337420189.

It is an arithmetic number, because the mean of its divisors is an integer number (6166480320).

Almost surely, 2^512231859234 is an apocalyptic number.

512231859234 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 512231859234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591982110720).

512231859234 is an abundant number, since it is smaller than the sum of its proper divisors (671732362206).

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

512231859234 is a wasteful number, since it uses less digits than its factorization.

512231859234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 875 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The spelling of 512231859234 in words is "five hundred twelve billion, two hundred thirty-one million, eight hundred fifty-nine thousand, two hundred thirty-four".