12012102201005 has 16 divisors (see below), whose sum is σ = 14747469381120. Its totient is φ = 9390225341952.

The previous prime is 12012102200977. The next prime is 12012102201041. The reversal of 12012102201005 is 50010220121021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012102201005 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156716249 + ... + 156792878.

It is an arithmetic number, because the mean of its divisors is an integer number (921716836320).

Almost surely, 2^{12012102201005} is an apocalyptic number.

It is an amenable number.

12012102201005 is a deficient number, since it is larger than the sum of its proper divisors (2735367180115).

12012102201005 is an equidigital number, since it uses as much as digits as its factorization.

12012102201005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313509308.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 12012102201005 its reverse (50010220121021), we get a palindrome (62022322322026).

The spelling of 12012102201005 in words is "twelve trillion, twelve billion, one hundred two million, two hundred one thousand, five".