1002012002 has 8 divisors (see below), whose sum is σ = 1554846300. Its totient is φ = 483729904.

The previous prime is 1002011953. The next prime is 1002012007. The reversal of 1002012002 is 2002102001.

It can be written as a sum of positive squares in 2 ways, for example, as 943779841 + 58232161 = 30721^2 + 7631^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1002012007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8637977 + ... + 8638092.

Almost surely, 2^1002012002 is an apocalyptic number.

1002012002 is a deficient number, since it is larger than the sum of its proper divisors (552834298).

1002012002 is a wasteful number, since it uses less digits than its factorization.

1002012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17276100.

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

The square root of 1002012002 is about 31654.5731609194. The cubic root of 1002012002 is about 1000.6702180408.

Adding to 1002012002 its reverse (2002102001), we get a palindrome (3004114003).

It can be divided in two parts, 10020 and 12002, that added together give a palindrome (22022).

The spelling of 1002012002 in words is "one billion, two million, twelve thousand, two".