1213598850575 has 12 divisors (see below), whose sum is σ = 1505068019928. Its totient is φ = 970746535200.

The previous prime is 1213598850557. The next prime is 1213598850599. The reversal of 1213598850575 is 5750588953121.

It is not a de Polignac number, because 1213598850575 - 2⁶ = 1213598850511 is a prime.

It is a super-2 number, since 2×1213598850575² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3126641 + ... + 3493290.

It is an arithmetic number, because the mean of its divisors is an integer number (125422334994).

Almost surely, 2^{1213598850575} is an apocalyptic number.

1213598850575 is a deficient number, since it is larger than the sum of its proper divisors (291469169353).

1213598850575 is an equidigital number, since it uses as much as digits as its factorization.

1213598850575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6627274 (or 6627269 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 59.

The spelling of 1213598850575 in words is "one trillion, two hundred thirteen billion, five hundred ninety-eight million, eight hundred fifty thousand, five hundred seventy-five".