12400144402 has 8 divisors (see below), whose sum is σ = 18697600512. Its totient is φ = 6167610900.

The previous prime is 12400144397. The next prime is 12400144441. The reversal of 12400144402 is 20444100421.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16230174 + ... + 16230937.

It is an arithmetic number, because the mean of its divisors is an integer number (2337200064).

Almost surely, 2^12400144402 is an apocalyptic number.

12400144402 is a deficient number, since it is larger than the sum of its proper divisors (6297456110).

12400144402 is a wasteful number, since it uses less digits than its factorization.

12400144402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32461304.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12400144402 its reverse (20444100421), we get a palindrome (32844244823).

The spelling of 12400144402 in words is "twelve billion, four hundred million, one hundred forty-four thousand, four hundred two".