43101612312 has 144 divisors (see below), whose sum is σ = 123818270520. Its totient is φ = 12492775680.

The previous prime is 43101612299. The next prime is 43101612313. The reversal of 43101612312 is 21321610134.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43101612313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1522188 + ... + 1550244.

Almost surely, 2^43101612312 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 43101612312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61909135260).

43101612312 is an abundant number, since it is smaller than the sum of its proper divisors (80716658208).

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

43101612312 is a wasteful number, since it uses less digits than its factorization.

43101612312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28134 (or 28096 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 43101612312 in words is "forty-three billion, one hundred one million, six hundred twelve thousand, three hundred twelve".