201212110112 has 48 divisors (see below), whose sum is σ = 427874566392. Its totient is φ = 92591493120.

The previous prime is 201212110103. The next prime is 201212110133. The reversal of 201212110112 is 211011212102.

It can be written as a sum of positive squares in 4 ways, for example, as 83916819856 + 117295290256 = 289684^2 + 342484^2 .

It is a super-2 number, since 2×201212110112² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577439 + ... + 857822.

Almost surely, 2^201212110112 is an apocalyptic number.

It is an amenable number.

201212110112 is an abundant number, since it is smaller than the sum of its proper divisors (226662456280).

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

201212110112 is a wasteful number, since it uses less digits than its factorization.

201212110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435621 (or 1435613 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201212110112 its reverse (211011212102), we get a palindrome (412223322214).

The spelling of 201212110112 in words is "two hundred one billion, two hundred twelve million, one hundred ten thousand, one hundred twelve".