12400144401 has 16 divisors (see below), whose sum is σ = 17698694400. Its totient is φ = 7698927888.

The previous prime is 12400144397. The next prime is 12400144441. The reversal of 12400144401 is 10444100421.

It is not a de Polignac number, because 12400144401 - 2² = 12400144397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12400144441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1840251 + ... + 1846976.

It is an arithmetic number, because the mean of its divisors is an integer number (1106168400).

Almost surely, 2^12400144401 is an apocalyptic number.

It is an amenable number.

12400144401 is a deficient number, since it is larger than the sum of its proper divisors (5298549999).

12400144401 is a wasteful number, since it uses less digits than its factorization.

12400144401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687308.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12400144401 its reverse (10444100421), we get a palindrome (22844244822).

The spelling of 12400144401 in words is "twelve billion, four hundred million, one hundred forty-four thousand, four hundred one".