12402101444 has 6 divisors (see below), whose sum is σ = 21703677534. Its totient is φ = 6201050720.

The previous prime is 12402101429. The next prime is 12402101461. The reversal of 12402101444 is 44410120421.

It can be written as a sum of positive squares in only one way, i.e., 8172160000 + 4229941444 = 90400^2 + 65038^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550262677 + ... + 1550262684.

It is an arithmetic number, because the mean of its divisors is an integer number (3617279589).

Almost surely, 2^12402101444 is an apocalyptic number.

It is an amenable number.

12402101444 is a deficient number, since it is larger than the sum of its proper divisors (9301576090).

12402101444 is a wasteful number, since it uses less digits than its factorization.

12402101444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100525365 (or 3100525363 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12402101444 its reverse (44410120421), we get a palindrome (56812221865).

The spelling of 12402101444 in words is "twelve billion, four hundred two million, one hundred one thousand, four hundred forty-four".