210112122012 has 48 divisors (see below), whose sum is σ = 530240124960. Its totient is φ = 64372405248.

The previous prime is 210112122001. The next prime is 210112122029. The reversal of 210112122012 is 210221211012.

It is a junction number, because it is equal to n+sod(n) for n = 210112121982 and 210112122000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2853937 + ... + 2926632.

It is an arithmetic number, because the mean of its divisors is an integer number (11046669270).

Almost surely, 2^210112122012 is an apocalyptic number.

It is an amenable number.

210112122012 is an abundant number, since it is smaller than the sum of its proper divisors (320128002948).

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

210112122012 is a wasteful number, since it uses less digits than its factorization.

210112122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780822 (or 5780820 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210112122012 its reverse (210221211012), we get a palindrome (420333333024).

The spelling of 210112122012 in words is "two hundred ten billion, one hundred twelve million, one hundred twenty-two thousand, twelve".