12000010012123 has 16 divisors (see below), whose sum is σ = 13880104035840. Its totient is φ = 10161377966016.

The previous prime is 12000010012121. The next prime is 12000010012163. The reversal of 12000010012123 is 32121001000021.

It is a cyclic number.

It is not a de Polignac number, because 12000010012123 - 2¹ = 12000010012121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12000010012121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14045586 + ... + 14875432.

It is an arithmetic number, because the mean of its divisors is an integer number (867506502240).

Almost surely, 2^{12000010012123} is an apocalyptic number.

12000010012123 is a deficient number, since it is larger than the sum of its proper divisors (1880094023717).

12000010012123 is an equidigital number, since it uses as much as digits as its factorization.

12000010012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854826.

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

Adding to 12000010012123 its reverse (32121001000021), we get a palindrome (44121011012144).

The spelling of 12000010012123 in words is "twelve trillion, ten million, twelve thousand, one hundred twenty-three".