12210120212005 has 16 divisors (see below), whose sum is σ = 15432108189120. Its totient is φ = 9248706776448.

The previous prime is 12210120211969. The next prime is 12210120212039. The reversal of 12210120212005 is 50021202101221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12210120212005 - 2²³ = 12210111823397 is a prime.

It is a super-2 number, since 2×12210120212005² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 36492787 + ... + 36825856.

It is an arithmetic number, because the mean of its divisors is an integer number (964506761820).

Almost surely, 2^{12210120212005} is an apocalyptic number.

It is an amenable number.

12210120212005 is a deficient number, since it is larger than the sum of its proper divisors (3221987977115).

12210120212005 is a wasteful number, since it uses less digits than its factorization.

12210120212005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73320420.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 12210120212005 its reverse (50021202101221), we get a palindrome (62231322313226).

The spelling of 12210120212005 in words is "twelve trillion, two hundred ten billion, one hundred twenty million, two hundred twelve thousand, five".