43312121314056 has 144 divisors (see below), whose sum is σ = 136675731769200. Its totient is φ = 12354899433408.

The previous prime is 43312121314037. The next prime is 43312121314057. The reversal of 43312121314056 is 65041312121334.

43312121314056 is a `hidden beast` number, since 4 + 3 + 3 + 1 + 212 + 1 + 31 + 405 + 6 = 666.

43312121314056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43312121314056² (a number of 28 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 43312121314056.

It is not an unprimeable number, because it can be changed into a prime (43312121314057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7732710 + ... + 12100373.

It is an arithmetic number, because the mean of its divisors is an integer number (949137026175).

Almost surely, 2^{43312121314056} is an apocalyptic number.

It is an amenable number.

43312121314056 is an abundant number, since it is smaller than the sum of its proper divisors (93363610455144).

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

43312121314056 is a wasteful number, since it uses less digits than its factorization.

43312121314056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19833728 (or 19833714 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 43312121314056 in words is "forty-three trillion, three hundred twelve billion, one hundred twenty-one million, three hundred fourteen thousand, fifty-six".