70571071012 has 12 divisors (see below), whose sum is σ = 132999326236. Its totient is φ = 32571263520.

The previous prime is 70571070937. The next prime is 70571071019. The reversal of 70571071012 is 21017017507.

It can be written as a sum of positive squares in 2 ways, for example, as 44767789056 + 25803281956 = 211584^2 + 160634^2 .

It is not an unprimeable number, because it can be changed into a prime (70571071019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678567939 + ... + 678568042.

Almost surely, 2^70571071012 is an apocalyptic number.

It is an amenable number.

70571071012 is a deficient number, since it is larger than the sum of its proper divisors (62428255224).

70571071012 is a wasteful number, since it uses less digits than its factorization.

70571071012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357135998 (or 1357135996 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 31.

Adding to 70571071012 its reverse (21017017507), we get a palindrome (91588088519).

The spelling of 70571071012 in words is "seventy billion, five hundred seventy-one million, seventy-one thousand, twelve".