12012222331123 has 8 divisors (see below), whose sum is σ = 13764098101248. Its totient is φ = 10269307563144.

The previous prime is 12012222331103. The next prime is 12012222331141. The reversal of 12012222331123 is 32113322221021.

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

It is a de Polignac number, because none of the positive numbers 2^k-12012222331123 is a prime.

It is a super-3 number, since 3×12012222331123³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012222331103) 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, 2240247661 + ... + 2240253022.

It is an arithmetic number, because the mean of its divisors is an integer number (1720512262656).

Almost surely, 2^{12012222331123} is an apocalyptic number.

12012222331123 is a deficient number, since it is larger than the sum of its proper divisors (1751875770125).

12012222331123 is an equidigital number, since it uses as much as digits as its factorization.

12012222331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480501073.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12012222331123 its reverse (32113322221021), we get a palindrome (44125544552144).

The spelling of 12012222331123 in words is "twelve trillion, twelve billion, two hundred twenty-two million, three hundred thirty-one thousand, one hundred twenty-three".