12012111002002 has 16 divisors (see below), whose sum is σ = 18457738831224. Its totient is φ = 5859533056000.

The previous prime is 12012111001973. The next prime is 12012111002027. The reversal of 12012111002002 is 20020011121021.

It can be written as a sum of positive squares in 4 ways, for example, as 8801065622281 + 3211045379721 = 2966659^2 + 1791939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20446602 + ... + 21025882.

Almost surely, 2^{12012111002002} is an apocalyptic number.

12012111002002 is a deficient number, since it is larger than the sum of its proper divisors (6445627829222).

12012111002002 is a wasteful number, since it uses less digits than its factorization.

12012111002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832205.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12012111002002 its reverse (20020011121021), we get a palindrome (32032122123023).

The spelling of 12012111002002 in words is "twelve trillion, twelve billion, one hundred eleven million, two thousand, two".