12122314324240 has 40 divisors (see below), whose sum is σ = 28458015588288. Its totient is φ = 4801848777600.

The previous prime is 12122314324229. The next prime is 12122314324261. The reversal of 12122314324240 is 4242341322121.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 735569086 + ... + 735585565.

Almost surely, 2^{12122314324240} is an apocalyptic number.

12122314324240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122314324240 is an abundant number, since it is smaller than the sum of its proper divisors (16335701264048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122314324240 is a wasteful number, since it uses less digits than its factorization.

12122314324240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471154767 (or 1471154761 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 12122314324240 its reverse (4242341322121), we get a palindrome (16364655646361).

The spelling of 12122314324240 in words is "twelve trillion, one hundred twenty-two billion, three hundred fourteen million, three hundred twenty-four thousand, two hundred forty".