12244154442 has 24 divisors (see below), whose sum is σ = 26516928384. Its totient is φ = 3767431824.

The previous prime is 12244154431. The next prime is 12244154449. The reversal of 12244154442 is 24445144221.

It is not an unprimeable number, because it can be changed into a prime (12244154449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6036538 + ... + 6038565.

It is an arithmetic number, because the mean of its divisors is an integer number (1104872016).

Almost surely, 2^12244154442 is an apocalyptic number.

12244154442 is an abundant number, since it is smaller than the sum of its proper divisors (14272773942).

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

12244154442 is a wasteful number, since it uses less digits than its factorization.

12244154442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12075134 (or 12075121 counting only the distinct ones).

The product of its digits is 40960, while the sum is 33.

Adding to 12244154442 its reverse (24445144221), we get a palindrome (36689298663).

The spelling of 12244154442 in words is "twelve billion, two hundred forty-four million, one hundred fifty-four thousand, four hundred forty-two".