12210011011123 has 8 divisors (see below), whose sum is σ = 12214065043040. Its totient is φ = 12205957236480.

The previous prime is 12210011011061. The next prime is 12210011011129. The reversal of 12210011011123 is 32111011001221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210011011123 is a prime.

It is a super-2 number, since 2×12210011011123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210011011097 and 12210011011106.

It is not an unprimeable number, because it can be changed into a prime (12210011011129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153184786 + ... + 153264472.

It is an arithmetic number, because the mean of its divisors is an integer number (1526758130380).

Almost surely, 2^{12210011011123} is an apocalyptic number.

12210011011123 is a deficient number, since it is larger than the sum of its proper divisors (4054031917).

12210011011123 is an equidigital number, since it uses as much as digits as its factorization.

12210011011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128637.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12210011011123 its reverse (32111011001221), we get a palindrome (44321022012344).

The spelling of 12210011011123 in words is "twelve trillion, two hundred ten billion, eleven million, eleven thousand, one hundred twenty-three".