71000222301212 has 36 divisors (see below), whose sum is σ = 132814923209640. Its totient is φ = 33170292902880.

The previous prime is 71000222301167. The next prime is 71000222301227. The reversal of 71000222301212 is 21210322200017.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 318343718 + ... + 318566669.

It is an arithmetic number, because the mean of its divisors is an integer number (3689303422490).

Almost surely, 2^{71000222301212} is an apocalyptic number.

It is an amenable number.

71000222301212 is a deficient number, since it is larger than the sum of its proper divisors (61814700908428).

71000222301212 is a wasteful number, since it uses less digits than its factorization.

71000222301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636910482 (or 636910449 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 71000222301212 its reverse (21210322200017), we get a palindrome (92210544501229).

The spelling of 71000222301212 in words is "seventy-one trillion, two hundred twenty-two million, three hundred one thousand, two hundred twelve".