12130123211 has 8 divisors (see below), whose sum is σ = 12183143904. Its totient is φ = 12077148160.

The previous prime is 12130123193. The next prime is 12130123267. The reversal of 12130123211 is 11232103121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12130123211 - 2²⁶ = 12063014347 is a prime.

It is a super-2 number, since 2×12130123211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12130123211.

It is not an unprimeable number, because it can be changed into a prime (12130122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589466 + ... + 609696.

It is an arithmetic number, because the mean of its divisors is an integer number (1522892988).

Almost surely, 2^12130123211 is an apocalyptic number.

12130123211 is a deficient number, since it is larger than the sum of its proper divisors (53020693).

12130123211 is a wasteful number, since it uses less digits than its factorization.

12130123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22821.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12130123211 its reverse (11232103121), we get a palindrome (23362226332).

The spelling of 12130123211 in words is "twelve billion, one hundred thirty million, one hundred twenty-three thousand, two hundred eleven".