71230212 has 24 divisors (see below), whose sum is σ = 184671200. Its totient is φ = 23743368.

The previous prime is 71230199. The next prime is 71230277. The reversal of 71230212 is 21203217.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329662 + ... + 329877.

Almost surely, 2^71230212 is an apocalyptic number.

It is an amenable number.

71230212 is an abundant number, since it is smaller than the sum of its proper divisors (113440988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71230212 is a wasteful number, since it uses less digits than its factorization.

71230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659552 (or 659544 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 71230212 is about 8439.7992867129. The cubic root of 71230212 is about 414.5288347971.

Adding to 71230212 its reverse (21203217), we get a palindrome (92433429).

The spelling of 71230212 in words is "seventy-one million, two hundred thirty thousand, two hundred twelve".