1200000000002 has 8 divisors (see below), whose sum is σ = 1833962264316. Its totient is φ = 588679245232.

The previous prime is 1199999999993. The next prime is 1200000000053. The reversal of 1200000000002 is 2000000000021.

It can be written as a sum of positive squares in 2 ways, for example, as 1194165942841 + 5834057161 = 1092779^2 + 76381^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5660377253 + ... + 5660377464.

Almost surely, 2^{1200000000002} is an apocalyptic number.

1200000000002 is a deficient number, since it is larger than the sum of its proper divisors (633962264314).

1200000000002 is a wasteful number, since it uses less digits than its factorization.

1200000000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11320754772.

The product of its (nonzero) digits is 4, while the sum is 5.

Adding to 1200000000002 its reverse (2000000000021), we get a palindrome (3200000000023).

The spelling of 1200000000002 in words is "one trillion, two hundred billion, two", and thus it is an aban number.