12011112002 has 4 divisors (see below), whose sum is σ = 18016668006. Its totient is φ = 6005556000.

The previous prime is 12011111977. The next prime is 12011112007. The reversal of 12011112002 is 20021111021.

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., 6245898961 + 5765213041 = 79031^2 + 75929^2 .

It is not an unprimeable number, because it can be changed into a prime (12011112007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002777999 + ... + 3002778002.

Almost surely, 2^12011112002 is an apocalyptic number.

12011112002 is a deficient number, since it is larger than the sum of its proper divisors (6005556004).

12011112002 is an equidigital number, since it uses as much as digits as its factorization.

12011112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005556003.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12011112002 its reverse (20021111021), we get a palindrome (32032223023).

The spelling of 12011112002 in words is "twelve billion, eleven million, one hundred twelve thousand, two".