1200012002 has 8 divisors (see below), whose sum is σ = 2057163456. Its totient is φ = 514290852.

The previous prime is 1200012001. The next prime is 1200012019. The reversal of 1200012002 is 2002100021.

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 (1200012001) 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, 42857558 + ... + 42857585.

It is an arithmetic number, because the mean of its divisors is an integer number (257145432).

Almost surely, 2^1200012002 is an apocalyptic number.

1200012002 is a deficient number, since it is larger than the sum of its proper divisors (857151454).

1200012002 is an equidigital number, since it uses as much as digits as its factorization.

1200012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85715152.

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

The square root of 1200012002 is about 34641.1893848927. The cubic root of 1200012002 is about 1062.6621119564.

Adding to 1200012002 its reverse (2002100021), we get a palindrome (3202112023).

The spelling of 1200012002 in words is "one billion, two hundred million, twelve thousand, two".