12340400211424 has 48 divisors (see below), whose sum is σ = 24628377040848. Its totient is φ = 6086148037632.

The previous prime is 12340400211407. The next prime is 12340400211479. The reversal of 12340400211424 is 42411200404321.

12340400211424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12340400211424² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12340400211392 and 12340400211401.

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, 8276274 + ... + 9652849.

It is an arithmetic number, because the mean of its divisors is an integer number (513091188351).

Almost surely, 2^{12340400211424} is an apocalyptic number.

It is an amenable number.

12340400211424 is a deficient number, since it is larger than the sum of its proper divisors (12287976829424).

12340400211424 is a wasteful number, since it uses less digits than its factorization.

12340400211424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17929427 (or 17929419 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 12340400211424 its reverse (42411200404321), we get a palindrome (54751600615745).

The spelling of 12340400211424 in words is "twelve trillion, three hundred forty billion, four hundred million, two hundred eleven thousand, four hundred twenty-four".