71201000001212 has 48 divisors (see below), whose sum is σ = 131200004382720. Its totient is φ = 33767701718400.

The previous prime is 71201000001179. The next prime is 71201000001251. The reversal of 71201000001212 is 21210000010217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25184864 + ... + 27868967.

It is an arithmetic number, because the mean of its divisors is an integer number (2733333424640).

Almost surely, 2^{71201000001212} is an apocalyptic number.

It is an amenable number.

71201000001212 is a deficient number, since it is larger than the sum of its proper divisors (59999004381508).

71201000001212 is a wasteful number, since it uses less digits than its factorization.

71201000001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53054082 (or 53054080 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 71201000001212 its reverse (21210000010217), we get a palindrome (92411000011429).

The spelling of 71201000001212 in words is "seventy-one trillion, two hundred one billion, one thousand, two hundred twelve".