1002002012 has 48 divisors (see below), whose sum is σ = 2033700480. Its totient is φ = 427176000.

The previous prime is 1002002009. The next prime is 1002002021. The reversal of 1002002012 is 2102002001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78503 + ... + 90369.

It is an arithmetic number, because the mean of its divisors is an integer number (42368760).

Almost surely, 2^1002002012 is an apocalyptic number.

It is an amenable number.

1002002012 is an abundant number, since it is smaller than the sum of its proper divisors (1031698468).

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

1002002012 is a wasteful number, since it uses less digits than its factorization.

1002002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12002 (or 12000 counting only the distinct ones).

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

The square root of 1002002012 is about 31654.4153634213. The cubic root of 1002002012 is about 1000.6668924889. Note that the first 3 decimals are identical.

Adding to 1002002012 its reverse (2102002001), we get a palindrome (3104004013).

The spelling of 1002002012 in words is "one billion, two million, two thousand, twelve".