12021323110123 has 8 divisors (see below), whose sum is σ = 12054913801056. Its totient is φ = 11987756289600.

The previous prime is 12021323110079. The next prime is 12021323110151. The reversal of 12021323110123 is 32101132312021.

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 12021323110123 - 2²¹ = 12021321012971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021323110094 and 12021323110103.

It is not an unprimeable number, because it can be changed into a prime (12021323110193) 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, 4958743 + ... + 6973648.

It is an arithmetic number, because the mean of its divisors is an integer number (1506864225132).

Almost surely, 2^{12021323110123} is an apocalyptic number.

12021323110123 is a deficient number, since it is larger than the sum of its proper divisors (33590690933).

12021323110123 is a wasteful number, since it uses less digits than its factorization.

12021323110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11935205.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12021323110123 its reverse (32101132312021), we get a palindrome (44122455422144).

The spelling of 12021323110123 in words is "twelve trillion, twenty-one billion, three hundred twenty-three million, one hundred ten thousand, one hundred twenty-three".