43140212444412 has 36 divisors (see below), whose sum is σ = 109196433160360. Its totient is φ = 14360611982112.

The previous prime is 43140212444377. The next prime is 43140212444491. The reversal of 43140212444412 is 21444421204134.

43140212444412 is a `hidden beast` number, since 4 + 3 + 1 + 402 + 1 + 244 + 4 + 4 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×43140212444412⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 810757723 + ... + 810810930.

Almost surely, 2^{43140212444412} is an apocalyptic number.

It is an amenable number.

43140212444412 is an abundant number, since it is smaller than the sum of its proper divisors (66056220715948).

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

43140212444412 is a wasteful number, since it uses less digits than its factorization.

43140212444412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621569402 (or 1621569397 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 43140212444412 its reverse (21444421204134), we get a palindrome (64584633648546).

The spelling of 43140212444412 in words is "forty-three trillion, one hundred forty billion, two hundred twelve million, four hundred forty-four thousand, four hundred twelve".