12123140210 has 8 divisors (see below), whose sum is σ = 21821652396. Its totient is φ = 4849256080.

The previous prime is 12123140203. The next prime is 12123140221. The reversal of 12123140210 is 1204132121.

It can be written as a sum of positive squares in 2 ways, for example, as 11864219929 + 258920281 = 108923^2 + 16091^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606157001 + ... + 606157020.

Almost surely, 2^12123140210 is an apocalyptic number.

12123140210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123140210 is a deficient number, since it is larger than the sum of its proper divisors (9698512186).

12123140210 is a wasteful number, since it uses less digits than its factorization.

12123140210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212314028.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12123140210 its reverse (1204132121), we get a palindrome (13327272331).

The spelling of 12123140210 in words is "twelve billion, one hundred twenty-three million, one hundred forty thousand, two hundred ten".