712241863128 has 128 divisors (see below), whose sum is σ = 2102394571200. Its totient is φ = 222641436672.

The previous prime is 712241863103. The next prime is 712241863129. The reversal of 712241863128 is 821368142217.

712241863128 is a `hidden beast` number, since 7 + 1 + 2 + 2 + 4 + 1 + 8 + 631 + 2 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712241863129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 667026 + ... + 1367262.

Almost surely, 2^712241863128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712241863128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051197285600).

712241863128 is an abundant number, since it is smaller than the sum of its proper divisors (1390152708072).

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

712241863128 is a wasteful number, since it uses less digits than its factorization.

712241863128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700546 (or 700536 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The spelling of 712241863128 in words is "seven hundred twelve billion, two hundred forty-one million, eight hundred sixty-three thousand, one hundred twenty-eight".