43340100012 has 36 divisors (see below), whose sum is σ = 119513610216. Its totient is φ = 13133363520.

The previous prime is 43340100007. The next prime is 43340100047. The reversal of 43340100012 is 21000104334.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54721953 + ... + 54722744.

It is an arithmetic number, because the mean of its divisors is an integer number (3319822506).

Almost surely, 2^43340100012 is an apocalyptic number.

It is an amenable number.

43340100012 is an abundant number, since it is smaller than the sum of its proper divisors (76173510204).

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

43340100012 is a wasteful number, since it uses less digits than its factorization.

43340100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109444718 (or 109444713 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 43340100012 its reverse (21000104334), we get a palindrome (64340204346).

The spelling of 43340100012 in words is "forty-three billion, three hundred forty million, one hundred thousand, twelve".