43116281962312 has 128 divisors (see below), whose sum is σ = 95375308140000. Its totient is φ = 18080832946176.

The previous prime is 43116281962297. The next prime is 43116281962331. The reversal of 43116281962312 is 21326918261134.

It can be written as a sum of positive squares in 16 ways, for example, as 19071440131396 + 24044841830916 = 4367086^2 + 4903554^2 .

It is a super-2 number, since 2×43116281962312² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383919864 + ... + 384032152.

Almost surely, 2^{43116281962312} 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 43116281962312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47687654070000).

43116281962312 is an abundant number, since it is smaller than the sum of its proper divisors (52259026177688).

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

43116281962312 is a wasteful number, since it uses less digits than its factorization.

43116281962312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119843 (or 119839 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The spelling of 43116281962312 in words is "forty-three trillion, one hundred sixteen billion, two hundred eighty-one million, nine hundred sixty-two thousand, three hundred twelve".