12400350234354 has 32 divisors (see below), whose sum is σ = 27896535516480. Its totient is φ = 4133450076660.

The previous prime is 12400350234353. The next prime is 12400350234401. The reversal of 12400350234354 is 45343205300421.

12400350234354 is a `hidden beast` number, since 1 + 2 + 40 + 0 + 35 + 0 + 234 + 354 = 666.

It is not an unprimeable number, because it can be changed into a prime (12400350234353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1417502512 + ... + 1417511259.

It is an arithmetic number, because the mean of its divisors is an integer number (871766734890).

Almost surely, 2^{12400350234354} is an apocalyptic number.

12400350234354 is an abundant number, since it is smaller than the sum of its proper divisors (15496185282126).

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

12400350234354 is an frugal number, since it uses more digits than its factorization.

12400350234354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835013794 (or 2835013776 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 12400350234354 its reverse (45343205300421), we get a palindrome (57743555534775).

The spelling of 12400350234354 in words is "twelve trillion, four hundred billion, three hundred fifty million, two hundred thirty-four thousand, three hundred fifty-four".