12012010123 has 8 divisors (see below), whose sum is σ = 12062331792. Its totient is φ = 11961716736.

The previous prime is 12012010117. The next prime is 12012010133. The reversal of 12012010123 is 32101021021.

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 12012010123 - 2¹³ = 12012001931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012010133) 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, 1470336 + ... + 1478482.

It is an arithmetic number, because the mean of its divisors is an integer number (1507791474).

Almost surely, 2^12012010123 is an apocalyptic number.

12012010123 is a deficient number, since it is larger than the sum of its proper divisors (50321669).

12012010123 is an equidigital number, since it uses as much as digits as its factorization.

12012010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14141.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12012010123 its reverse (32101021021), we get a palindrome (44113031144).

The spelling of 12012010123 in words is "twelve billion, twelve million, ten thousand, one hundred twenty-three".