12123120334 has 16 divisors (see below), whose sum is σ = 19785397968. Its totient is φ = 5537601792.

The previous prime is 12123120313. The next prime is 12123120341. The reversal of 12123120334 is 43302132121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2400952 + ... + 2405995.

It is an arithmetic number, because the mean of its divisors is an integer number (1236587373).

Almost surely, 2^12123120334 is an apocalyptic number.

12123120334 is a deficient number, since it is larger than the sum of its proper divisors (7662277634).

12123120334 is a wasteful number, since it uses less digits than its factorization.

12123120334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807059.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12123120334 its reverse (43302132121), we get a palindrome (55425252455).

The spelling of 12123120334 in words is "twelve billion, one hundred twenty-three million, one hundred twenty thousand, three hundred thirty-four".