1213365410499 has 16 divisors (see below), whose sum is σ = 1789752824064. Its totient is φ = 725015608800.

The previous prime is 1213365410473. The next prime is 1213365410503. The reversal of 1213365410499 is 9940145633121.

It is a happy number.

It is not a de Polignac number, because 1213365410499 - 2⁷ = 1213365410371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213365417499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258931804 + ... + 258936489.

It is an arithmetic number, because the mean of its divisors is an integer number (111859551504).

Almost surely, 2^{1213365410499} is an apocalyptic number.

1213365410499 is a deficient number, since it is larger than the sum of its proper divisors (576387413565).

1213365410499 is a wasteful number, since it uses less digits than its factorization.

1213365410499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517868378.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 1213365410499 in words is "one trillion, two hundred thirteen billion, three hundred sixty-five million, four hundred ten thousand, four hundred ninety-nine".