1304111221152 has 24 divisors (see below), whose sum is σ = 3423291955776. Its totient is φ = 434703740352.

The previous prime is 1304111221099. The next prime is 1304111221157. The reversal of 1304111221152 is 2511221114031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1304111221157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6792245848 + ... + 6792246039.

It is an arithmetic number, because the mean of its divisors is an integer number (142637164824).

Almost surely, 2^{1304111221152} is an apocalyptic number.

1304111221152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304111221152 is an abundant number, since it is smaller than the sum of its proper divisors (2119180734624).

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

1304111221152 is a wasteful number, since it uses less digits than its factorization.

1304111221152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13584491900 (or 13584491892 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 1304111221152 its reverse (2511221114031), we get a palindrome (3815332335183).

The spelling of 1304111221152 in words is "one trillion, three hundred four billion, one hundred eleven million, two hundred twenty-one thousand, one hundred fifty-two".