1012320544605 has 8 divisors (see below), whose sum is σ = 1619712871392. Its totient is φ = 539904290448.

The previous prime is 1012320544531. The next prime is 1012320544643. The reversal of 1012320544605 is 5064450232101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012320544605 - 2⁸ = 1012320544349 is a prime.

It is a congruent number.

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, 33744018139 + ... + 33744018168.

It is an arithmetic number, because the mean of its divisors is an integer number (202464108924).

Almost surely, 2^{1012320544605} is an apocalyptic number.

1012320544605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012320544605 is a deficient number, since it is larger than the sum of its proper divisors (607392326787).

1012320544605 is an equidigital number, since it uses as much as digits as its factorization.

1012320544605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67488036315.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 1012320544605 its reverse (5064450232101), we get a palindrome (6076770776706).

The spelling of 1012320544605 in words is "one trillion, twelve billion, three hundred twenty million, five hundred forty-four thousand, six hundred five".