712971039420 has 36 divisors (see below), whose sum is σ = 2162678820120. Its totient is φ = 190125610464.

The previous prime is 712971039383. The next prime is 712971039433. The reversal of 712971039420 is 24930179217.

712971039420 is a `hidden beast` number, since 7 + 129 + 71 + 0 + 39 + 420 = 666.

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 (45).

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, 1980474930 + ... + 1980475289.

It is an arithmetic number, because the mean of its divisors is an integer number (60074411670).

Almost surely, 2^712971039420 is an apocalyptic number.

It is an amenable number.

712971039420 is an abundant number, since it is smaller than the sum of its proper divisors (1449707780700).

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

712971039420 is a wasteful number, since it uses less digits than its factorization.

712971039420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960950234 (or 3960950229 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 712971039420 in words is "seven hundred twelve billion, nine hundred seventy-one million, thirty-nine thousand, four hundred twenty".