1224303213144 has 64 divisors (see below), whose sum is σ = 3344510039040. Its totient is φ = 370389720960.

The previous prime is 1224303213131. The next prime is 1224303213179. The reversal of 1224303213144 is 4413123034221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3659779 + ... + 3980274.

It is an arithmetic number, because the mean of its divisors is an integer number (52257969360).

Almost surely, 2^{1224303213144} is an apocalyptic number.

It is an amenable number.

1224303213144 is an abundant number, since it is smaller than the sum of its proper divisors (2120206825896).

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

1224303213144 is a wasteful number, since it uses less digits than its factorization.

1224303213144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7640680 (or 7640676 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1224303213144 its reverse (4413123034221), we get a palindrome (5637426247365).

The spelling of 1224303213144 in words is "one trillion, two hundred twenty-four billion, three hundred three million, two hundred thirteen thousand, one hundred forty-four".