12200465144 has 16 divisors (see below), whose sum is σ = 26143854000. Its totient is φ = 5228770752.

The previous prime is 12200465143. The next prime is 12200465149. The reversal of 12200465144 is 44156400221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200465143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108932669 + ... + 108932780.

It is an arithmetic number, because the mean of its divisors is an integer number (1633990875).

Almost surely, 2^12200465144 is an apocalyptic number.

12200465144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12200465144 is an abundant number, since it is smaller than the sum of its proper divisors (13943388856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12200465144 is a wasteful number, since it uses less digits than its factorization.

12200465144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217865462 (or 217865458 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 12200465144 its reverse (44156400221), we get a palindrome (56356865365).

The spelling of 12200465144 in words is "twelve billion, two hundred million, four hundred sixty-five thousand, one hundred forty-four".