1200120200102 has 32 divisors (see below), whose sum is σ = 1980813619200. Its totient is φ = 543176150400.

The previous prime is 1200120200099. The next prime is 1200120200117. The reversal of 1200120200102 is 2010020210021.

It is a happy number.

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, 6354899 + ... + 6541022.

It is an arithmetic number, because the mean of its divisors is an integer number (61900425600).

Almost surely, 2^{1200120200102} is an apocalyptic number.

1200120200102 is a deficient number, since it is larger than the sum of its proper divisors (780693419098).

1200120200102 is a wasteful number, since it uses less digits than its factorization.

1200120200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12896052.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200120200102 its reverse (2010020210021), we get a palindrome (3210140410123).

The spelling of 1200120200102 in words is "one trillion, two hundred billion, one hundred twenty million, two hundred thousand, one hundred two".