1200002012102 has 16 divisors (see below), whose sum is σ = 1802973961152. Its totient is φ = 599010862080.

The previous prime is 1200002012087. The next prime is 1200002012123. The reversal of 1200002012102 is 2012102000021.

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 7 ways as a sum of consecutive naturals, for example, 16762328 + ... + 16833764.

It is an arithmetic number, because the mean of its divisors is an integer number (112685872572).

Almost surely, 2^{1200002012102} is an apocalyptic number.

1200002012102 is a deficient number, since it is larger than the sum of its proper divisors (602971949050).

1200002012102 is a wasteful number, since it uses less digits than its factorization.

1200002012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85183.

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

Adding to 1200002012102 its reverse (2012102000021), we get a palindrome (3212104012123).

The spelling of 1200002012102 in words is "one trillion, two hundred billion, two million, twelve thousand, one hundred two".