12012011002 has 16 divisors (see below), whose sum is σ = 18688219272. Its totient is φ = 5785819200.

The previous prime is 12012010949. The next prime is 12012011009. The reversal of 12012011002 is 20011021021.

It can be written as a sum of positive squares in 4 ways, for example, as 10938858921 + 1073152081 = 104589^2 + 32759^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12012011002.

It is not an unprimeable number, because it can be changed into a prime (12012011009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796113 + ... + 811060.

Almost surely, 2^12012011002 is an apocalyptic number.

12012011002 is a deficient number, since it is larger than the sum of its proper divisors (6676208270).

12012011002 is a wasteful number, since it uses less digits than its factorization.

12012011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607313.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12012011002 its reverse (20011021021), we get a palindrome (32023032023).

The spelling of 12012011002 in words is "twelve billion, twelve million, eleven thousand, two".