12011021200123 has 8 divisors (see below), whose sum is σ = 13223142606960. Its totient is φ = 10818934858080.

The previous prime is 12011021200121. The next prime is 12011021200141. The reversal of 12011021200123 is 32100212011021.

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 12011021200123 - 2¹ = 12011021200121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011021200097 and 12011021200106.

It is not an unprimeable number, because it can be changed into a prime (12011021200121) 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, 5008764940 + ... + 5008767337.

It is an arithmetic number, because the mean of its divisors is an integer number (1652892825870).

Almost surely, 2^{12011021200123} is an apocalyptic number.

12011021200123 is a deficient number, since it is larger than the sum of its proper divisors (1212121406837).

12011021200123 is a wasteful number, since it uses less digits than its factorization.

12011021200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017532397.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12011021200123 its reverse (32100212011021), we get a palindrome (44111233211144).

The spelling of 12011021200123 in words is "twelve trillion, eleven billion, twenty-one million, two hundred thousand, one hundred twenty-three".