12202144144 has 20 divisors (see below), whose sum is σ = 23665735296. Its totient is φ = 6094857632.

The previous prime is 12202144133. The next prime is 12202144181. The reversal of 12202144144 is 44144120221.

It is a happy number.

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, 372184 + ... + 403639.

Almost surely, 2^12202144144 is an apocalyptic number.

It is an amenable number.

12202144144 is a deficient number, since it is larger than the sum of its proper divisors (11463591152).

12202144144 is an equidigital number, since it uses as much as digits as its factorization.

12202144144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776814 (or 776808 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 12202144144 its reverse (44144120221), we get a palindrome (56346264365).

The spelling of 12202144144 in words is "twelve billion, two hundred two million, one hundred forty-four thousand, one hundred forty-four".