1012430311665 has 16 divisors (see below), whose sum is σ = 1620053474688. Its totient is φ = 539907840896.

The previous prime is 1012430311661. The next prime is 1012430311693. The reversal of 1012430311665 is 5661130342101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1012430311665 - 2² = 1012430311661 is a prime.

It is a super-4 number, since 4×1012430311665⁴ (a number of 49 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012430311661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3284589 + ... + 3579578.

It is an arithmetic number, because the mean of its divisors is an integer number (101253342168).

Almost surely, 2^{1012430311665} is an apocalyptic number.

1012430311665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012430311665 is a deficient number, since it is larger than the sum of its proper divisors (607623163023).

1012430311665 is an equidigital number, since it uses as much as digits as its factorization.

1012430311665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874008.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 1012430311665 its reverse (5661130342101), we get a palindrome (6673560653766).

The spelling of 1012430311665 in words is "one trillion, twelve billion, four hundred thirty million, three hundred eleven thousand, six hundred sixty-five".