12010002123 has 16 divisors (see below), whose sum is σ = 18304810496. Its totient is φ = 6861412800.

The previous prime is 12010002119. The next prime is 12010002187. The reversal of 12010002123 is 32120001021.

It is not a de Polignac number, because 12010002123 - 2² = 12010002119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12010002099 and 12010002108.

It is not an unprimeable number, because it can be changed into a prime (12010012123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46215 + ... + 161727.

It is an arithmetic number, because the mean of its divisors is an integer number (1144050656).

Almost surely, 2^12010002123 is an apocalyptic number.

12010002123 is a deficient number, since it is larger than the sum of its proper divisors (6294808373).

12010002123 is a wasteful number, since it uses less digits than its factorization.

12010002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120474.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12010002123 its reverse (32120001021), we get a palindrome (44130003144).

The spelling of 12010002123 in words is "twelve billion, ten million, two thousand, one hundred twenty-three".