1200222101012 has 48 divisors (see below), whose sum is σ = 2376738272832. Its totient is φ = 525568538880.

The previous prime is 1200222101011. The next prime is 1200222101027. The reversal of 1200222101012 is 2101012220021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200222101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4206863 + ... + 4483094.

It is an arithmetic number, because the mean of its divisors is an integer number (49515380684).

Almost surely, 2^{1200222101012} is an apocalyptic number.

It is an amenable number.

1200222101012 is a deficient number, since it is larger than the sum of its proper divisors (1176516171820).

1200222101012 is a wasteful number, since it uses less digits than its factorization.

1200222101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8690088 (or 8690086 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200222101012 its reverse (2101012220021), we get a palindrome (3301234321033).

The spelling of 1200222101012 in words is "one trillion, two hundred billion, two hundred twenty-two million, one hundred one thousand, twelve".