201130031212 has 12 divisors (see below), whose sum is σ = 383975514216. Its totient is φ = 91422741440.

The previous prime is 201130031189. The next prime is 201130031237. The reversal of 201130031212 is 212130031102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285568493 + ... + 2285568580.

It is an arithmetic number, because the mean of its divisors is an integer number (31997959518).

Almost surely, 2^201130031212 is an apocalyptic number.

201130031212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201130031212 is a deficient number, since it is larger than the sum of its proper divisors (182845483004).

201130031212 is a wasteful number, since it uses less digits than its factorization.

201130031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571137088 (or 4571137086 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201130031212 its reverse (212130031102), we get a palindrome (413260062314).

The spelling of 201130031212 in words is "two hundred one billion, one hundred thirty million, thirty-one thousand, two hundred twelve".