712218420641 has 24 divisors (see below), whose sum is σ = 902979491904. Its totient is φ = 556724115360.

The previous prime is 712218420637. The next prime is 712218420649. The reversal of 712218420641 is 146024812217.

It is not a de Polignac number, because 712218420641 - 2² = 712218420637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 712218420595 and 712218420604.

It is not an unprimeable number, because it can be changed into a prime (712218420649) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6682565 + ... + 6788306.

It is an arithmetic number, because the mean of its divisors is an integer number (37624145496).

Almost surely, 2^712218420641 is an apocalyptic number.

It is an amenable number.

712218420641 is a deficient number, since it is larger than the sum of its proper divisors (190761071263).

712218420641 is a wasteful number, since it uses less digits than its factorization.

712218420641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13470981 (or 13470974 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 712218420641 in words is "seven hundred twelve billion, two hundred eighteen million, four hundred twenty thousand, six hundred forty-one".