712120071 has 8 divisors (see below), whose sum is σ = 1022531440. Its totient is φ = 438227712.

The previous prime is 712120063. The next prime is 712120081. The reversal of 712120071 is 170021217.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 712120071 - 2³ = 712120063 is a prime.

It is a super-2 number, since 2×712120071² = 1014229991042090082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712120081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9129706 + ... + 9129783.

It is an arithmetic number, because the mean of its divisors is an integer number (127816430).

Almost surely, 2^712120071 is an apocalyptic number.

712120071 is a deficient number, since it is larger than the sum of its proper divisors (310411369).

712120071 is a wasteful number, since it uses less digits than its factorization.

712120071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18259505.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 712120071 is about 26685.5779588901. The cubic root of 712120071 is about 892.9992116521. Note that the first 3 decimals are identical.

Adding to 712120071 its reverse (170021217), we get a palindrome (882141288).

The spelling of 712120071 in words is "seven hundred twelve million, one hundred twenty thousand, seventy-one".