1210112222200 has 72 divisors (see below), whose sum is σ = 3272859664200. Its totient is φ = 414895615680.

The previous prime is 1210112222197. The next prime is 1210112222201. The reversal of 1210112222200 is 22222110121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210112222201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 61730620 + ... + 61750219.

It is an arithmetic number, because the mean of its divisors is an integer number (45456384225).

Almost surely, 2^{1210112222200} is an apocalyptic number.

1210112222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210112222200 is an abundant number, since it is smaller than the sum of its proper divisors (2062747442000).

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

1210112222200 is a wasteful number, since it uses less digits than its factorization.

1210112222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123480869 (or 123480853 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1210112222200 its reverse (22222110121), we get a palindrome (1232334332321).

The spelling of 1210112222200 in words is "one trillion, two hundred ten billion, one hundred twelve million, two hundred twenty-two thousand, two hundred".