12123400334 has 8 divisors (see below), whose sum is σ = 18205064928. Its totient is φ = 6055045360.

The previous prime is 12123400327. The next prime is 12123400343. The reversal of 12123400334 is 43300432121.

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

It is a congruent number.

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, 3325127 + ... + 3328770.

It is an arithmetic number, because the mean of its divisors is an integer number (2275633116).

Almost surely, 2^12123400334 is an apocalyptic number.

12123400334 is a deficient number, since it is larger than the sum of its proper divisors (6081664594).

12123400334 is an equidigital number, since it uses as much as digits as its factorization.

12123400334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654810.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12123400334 its reverse (43300432121), we get a palindrome (55423832455).

The spelling of 12123400334 in words is "twelve billion, one hundred twenty-three million, four hundred thousand, three hundred thirty-four".