1200102222112 has 48 divisors (see below), whose sum is σ = 2487264978240. Its totient is φ = 568421238528.

The previous prime is 1200102222107. The next prime is 1200102222127. The reversal of 1200102222112 is 2112222010021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7678893 + ... + 7833619.

It is an arithmetic number, because the mean of its divisors is an integer number (51818020380).

Almost surely, 2^{1200102222112} is an apocalyptic number.

It is an amenable number.

1200102222112 is an abundant number, since it is smaller than the sum of its proper divisors (1287162756128).

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

1200102222112 is a wasteful number, since it uses less digits than its factorization.

1200102222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167513 (or 167505 counting only the distinct ones).

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

Adding to 1200102222112 its reverse (2112222010021), we get a palindrome (3312324232133).

The spelling of 1200102222112 in words is "one trillion, two hundred billion, one hundred two million, two hundred twenty-two thousand, one hundred twelve".