1304220305142 has 32 divisors (see below), whose sum is σ = 2915622259200. Its totient is φ = 432136864584.

The previous prime is 1304220305117. The next prime is 1304220305147. The reversal of 1304220305142 is 2415030224031.

1304220305142 is a `hidden beast` number, since 130 + 4 + 220 + 305 + 1 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304220305147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72303042 + ... + 72321077.

It is an arithmetic number, because the mean of its divisors is an integer number (91113195600).

Almost surely, 2^{1304220305142} is an apocalyptic number.

1304220305142 is an abundant number, since it is smaller than the sum of its proper divisors (1611401954058).

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

1304220305142 is a wasteful number, since it uses less digits than its factorization.

1304220305142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144624297 (or 144624291 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1304220305142 its reverse (2415030224031), we get a palindrome (3719250529173).

The spelling of 1304220305142 in words is "one trillion, three hundred four billion, two hundred twenty million, three hundred five thousand, one hundred forty-two".