1200100000002 has 8 divisors (see below), whose sum is σ = 2400200000016. Its totient is φ = 400033333332.

The previous prime is 1200099999961. The next prime is 1200100000003. The reversal of 1200100000002 is 2000000010021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1200100000002 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (6), and also a Moran number because the ratio is a prime number: 200016666667 = 1200100000002 / (1 + 2 + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (1200100000003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100008333328 + ... + 100008333339.

It is an arithmetic number, because the mean of its divisors is an integer number (300025000002).

Almost surely, 2^{1200100000002} is an apocalyptic number.

1200100000002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1200100000002 is a wasteful number, since it uses less digits than its factorization.

1200100000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200016666672.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 1200100000002 its reverse (2000000010021), we get a palindrome (3200100010023).

The spelling of 1200100000002 in words is "one trillion, two hundred billion, one hundred million, two", and thus it is an aban number.