71220210002212 has 12 divisors (see below), whose sum is σ = 124637258471040. Its totient is φ = 35609564724776.

The previous prime is 71220210002197. The next prime is 71220210002219. The reversal of 71220210002212 is 21220001202217.

It is not an unprimeable number, because it can be changed into a prime (71220210002219) 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, 134772412 + ... + 135299827.

It is an arithmetic number, because the mean of its divisors is an integer number (10386438205920).

Almost surely, 2^{71220210002212} is an apocalyptic number.

It is an amenable number.

71220210002212 is a deficient number, since it is larger than the sum of its proper divisors (53417048468828).

71220210002212 is a wasteful number, since it uses less digits than its factorization.

71220210002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270138170 (or 270138168 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 71220210002212 its reverse (21220001202217), we get a palindrome (92440211204429).

The spelling of 71220210002212 in words is "seventy-one trillion, two hundred twenty billion, two hundred ten million, two thousand, two hundred twelve".