43712212772 has 24 divisors (see below), whose sum is σ = 79851790200. Its totient is φ = 20916783360.

The previous prime is 43712212729. The next prime is 43712212783. The reversal of 43712212772 is 27721221734.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17769956416 + 25942256356 = 133304^2 + 161066^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2411897 + ... + 2429952.

It is an arithmetic number, because the mean of its divisors is an integer number (3327157925).

Almost surely, 2^43712212772 is an apocalyptic number.

It is an amenable number.

43712212772 is a deficient number, since it is larger than the sum of its proper divisors (36139577428).

43712212772 is a wasteful number, since it uses less digits than its factorization.

43712212772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4841951 (or 4841949 counting only the distinct ones).

The product of its digits is 65856, while the sum is 38.

The spelling of 43712212772 in words is "forty-three billion, seven hundred twelve million, two hundred twelve thousand, seven hundred seventy-two".