12400444051053 has 8 divisors (see below), whose sum is σ = 16534100717568. Its totient is φ = 8266875042624.

The previous prime is 12400444051049. The next prime is 12400444051067. The reversal of 12400444051053 is 35015044400421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12400444051053 - 2² = 12400444051049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400444051753) by changing a digit.

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, 21583725 + ... + 22150802.

It is an arithmetic number, because the mean of its divisors is an integer number (2066762589696).

Almost surely, 2^{12400444051053} is an apocalyptic number.

It is an amenable number.

12400444051053 is a deficient number, since it is larger than the sum of its proper divisors (4133656666515).

12400444051053 is an equidigital number, since it uses as much as digits as its factorization.

12400444051053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43829043.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 12400444051053 its reverse (35015044400421), we get a palindrome (47415488451474).

The spelling of 12400444051053 in words is "twelve trillion, four hundred billion, four hundred forty-four million, fifty-one thousand, fifty-three".