1012120002002 has 8 divisors (see below), whose sum is σ = 1607484709116. Its totient is φ = 476291765632.

The previous prime is 1012120001933. The next prime is 1012120002011. The reversal of 1012120002002 is 2002000212101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1004603285401 + 7516716601 = 1002299^2 + 86699^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14884117643 + ... + 14884117710.

Almost surely, 2^{1012120002002} is an apocalyptic number.

1012120002002 is a deficient number, since it is larger than the sum of its proper divisors (595364707114).

1012120002002 is a wasteful number, since it uses less digits than its factorization.

1012120002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29768235372.

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

Adding to 1012120002002 its reverse (2002000212101), we get a palindrome (3014120214103).

The spelling of 1012120002002 in words is "one trillion, twelve billion, one hundred twenty million, two thousand, two".