201212110220012 has 24 divisors (see below), whose sum is σ = 355541498387712. Its totient is φ = 99628834050000.

The previous prime is 201212110219979. The next prime is 201212110220057. The reversal of 201212110220012 is 210022011212102.

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, 98091887 + ... + 100122137.

It is an arithmetic number, because the mean of its divisors is an integer number (14814229099488).

Almost surely, 2^{201212110220012} is an apocalyptic number.

It is an amenable number.

201212110220012 is a deficient number, since it is larger than the sum of its proper divisors (154329388167700).

201212110220012 is a wasteful number, since it uses less digits than its factorization.

201212110220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270909 (or 2270907 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201212110220012 its reverse (210022011212102), we get a palindrome (411234121432114).

The spelling of 201212110220012 in words is "two hundred one trillion, two hundred twelve billion, one hundred ten million, two hundred twenty thousand, twelve".