12440201402 has 8 divisors (see below), whose sum is σ = 18774782976. Its totient is φ = 6181940412.

The previous prime is 12440201381. The next prime is 12440201441. The reversal of 12440201402 is 20410204421.

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

It is a super-2 number, since 2×12440201402² (a number of 21 digits) contains 22 as substring.

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, 19079738 + ... + 19080389.

It is an arithmetic number, because the mean of its divisors is an integer number (2346847872).

Almost surely, 2^12440201402 is an apocalyptic number.

12440201402 is a deficient number, since it is larger than the sum of its proper divisors (6334581574).

12440201402 is a wasteful number, since it uses less digits than its factorization.

12440201402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38160292.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12440201402 its reverse (20410204421), we get a palindrome (32850405823).

The spelling of 12440201402 in words is "twelve billion, four hundred forty million, two hundred one thousand, four hundred two".