12002112002 has 4 divisors (see below), whose sum is σ = 18003168006. Its totient is φ = 6001056000.

The previous prime is 12002111987. The next prime is 12002112043. The reversal of 12002112002 is 20021120021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11624936761 + 377175241 = 107819^2 + 19421^2 .

It is a super-4 number, since 4×12002112002⁴ (a number of 41 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000527999 + ... + 3000528002.

Almost surely, 2^12002112002 is an apocalyptic number.

12002112002 is a deficient number, since it is larger than the sum of its proper divisors (6001056004).

12002112002 is an equidigital number, since it uses as much as digits as its factorization.

12002112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001056003.

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

Adding to 12002112002 its reverse (20021120021), we get a palindrome (32023232023).

The spelling of 12002112002 in words is "twelve billion, two million, one hundred twelve thousand, two".