12401400044434 has 4 divisors (see below), whose sum is σ = 18602100066654. Its totient is φ = 6200700022216.

The previous prime is 12401400044419. The next prime is 12401400044489. The reversal of 12401400044434 is 43444000410421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9203730075225 + 3197669969209 = 3033765^2 + 1788203^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12401400044396 and 12401400044405.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3100350011107 + ... + 3100350011110.

Almost surely, 2^{12401400044434} is an apocalyptic number.

12401400044434 is a deficient number, since it is larger than the sum of its proper divisors (6200700022220).

12401400044434 is an equidigital number, since it uses as much as digits as its factorization.

12401400044434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200700022219.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 12401400044434 its reverse (43444000410421), we get a palindrome (55845400454855).

The spelling of 12401400044434 in words is "twelve trillion, four hundred one billion, four hundred million, forty-four thousand, four hundred thirty-four".