1210509009404 has 6 divisors (see below), whose sum is σ = 2118390766464. Its totient is φ = 605254504700.

The previous prime is 1210509009403. The next prime is 1210509009407. The reversal of 1210509009404 is 4049009050121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210509009401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151313626172 + ... + 151313626179.

It is an arithmetic number, because the mean of its divisors is an integer number (353065127744).

Almost surely, 2^{1210509009404} is an apocalyptic number.

It is an amenable number.

1210509009404 is a deficient number, since it is larger than the sum of its proper divisors (907881757060).

1210509009404 is a wasteful number, since it uses less digits than its factorization.

1210509009404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302627252355 (or 302627252353 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 1210509009404 in words is "one trillion, two hundred ten billion, five hundred nine million, nine thousand, four hundred four".