43812606972 has 12 divisors (see below), whose sum is σ = 102229416296. Its totient is φ = 14604202320.

The previous prime is 43812606961. The next prime is 43812606997. The reversal of 43812606972 is 27960621834.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1825525279 + ... + 1825525302.

Almost surely, 2^43812606972 is an apocalyptic number.

It is an amenable number.

43812606972 is an abundant number, since it is smaller than the sum of its proper divisors (58416809324).

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

43812606972 is a wasteful number, since it uses less digits than its factorization.

43812606972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651050588 (or 3651050586 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 43812606972 in words is "forty-three billion, eight hundred twelve million, six hundred six thousand, nine hundred seventy-two".