1200002000102 has 4 divisors (see below), whose sum is σ = 1800003000156. Its totient is φ = 600001000050.

The previous prime is 1200002000089. The next prime is 1200002000107. The reversal of 1200002000102 is 2010002000021.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1200002000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200002000107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300000500024 + ... + 300000500027.

It is an arithmetic number, because the mean of its divisors is an integer number (450000750039).

Almost surely, 2^{1200002000102} is an apocalyptic number.

1200002000102 is a deficient number, since it is larger than the sum of its proper divisors (600001000054).

1200002000102 is an equidigital number, since it uses as much as digits as its factorization.

1200002000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600001000053.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1200002000102 its reverse (2010002000021), we get a palindrome (3210004000123).

The spelling of 1200002000102 in words is "one trillion, two hundred billion, two million, one hundred two", and thus it is an aban number.