12312012002 has 32 divisors (see below), whose sum is σ = 19363639680. Its totient is φ = 5863432960.

The previous prime is 12312011969. The next prime is 12312012007. The reversal of 12312012002 is 20021021321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12312012007) 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 15 ways as a sum of consecutive naturals, for example, 4239683 + ... + 4242585.

It is an arithmetic number, because the mean of its divisors is an integer number (605113740).

Almost surely, 2^12312012002 is an apocalyptic number.

12312012002 is a deficient number, since it is larger than the sum of its proper divisors (7051627678).

12312012002 is a wasteful number, since it uses less digits than its factorization.

12312012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12312012002 its reverse (20021021321), we get a palindrome (32333033323).

The spelling of 12312012002 in words is "twelve billion, three hundred twelve million, twelve thousand, two".