201212011011212 has 12 divisors (see below), whose sum is σ = 360309880183176. Its totient is φ = 98266330958880.

The previous prime is 201212011011203. The next prime is 201212011011227. The reversal of 201212011011212 is 212110110212102.

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, 584918636489 + ... + 584918636832.

It is an arithmetic number, because the mean of its divisors is an integer number (30025823348598).

Almost surely, 2^{201212011011212} is an apocalyptic number.

It is an amenable number.

201212011011212 is a deficient number, since it is larger than the sum of its proper divisors (159097869171964).

201212011011212 is a wasteful number, since it uses less digits than its factorization.

201212011011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169837273368 (or 1169837273366 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201212011011212 its reverse (212110110212102), we get a palindrome (413322121223314).

The spelling of 201212011011212 in words is "two hundred one trillion, two hundred twelve billion, eleven million, eleven thousand, two hundred twelve".