1304212921388 has 24 divisors (see below), whose sum is σ = 2458009941408. Its totient is φ = 601927232256.

The previous prime is 1304212921369. The next prime is 1304212921409. The reversal of 1304212921388 is 8831292124031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579745 + ... + 2259207.

It is an arithmetic number, because the mean of its divisors is an integer number (102417080892).

Almost surely, 2^{1304212921388} is an apocalyptic number.

It is an amenable number.

1304212921388 is a deficient number, since it is larger than the sum of its proper divisors (1153797020020).

1304212921388 is a wasteful number, since it uses less digits than its factorization.

1304212921388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716393 (or 716391 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 1304212921388 in words is "one trillion, three hundred four billion, two hundred twelve million, nine hundred twenty-one thousand, three hundred eighty-eight".