1012310000001 has 20 divisors (see below), whose sum is σ = 1512274661700. Its totient is φ = 674847230976.

The previous prime is 1012309999997. The next prime is 1012310000011. The reversal of 1012310000001 is 1000000132101.

It can be written as a sum of positive squares in 2 ways, for example, as 51519920400 + 960790079601 = 226980^2 + 980199^2 .

It is not a de Polignac number, because 1012310000001 - 2² = 1012309999997 is a prime.

It is a super-2 number, since 2×1012310000001² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1012310000011) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1992145 + ... + 2448113.

It is an arithmetic number, because the mean of its divisors is an integer number (75613733085).

Almost surely, 2^{1012310000001} is an apocalyptic number.

It is an amenable number.

1012310000001 is a deficient number, since it is larger than the sum of its proper divisors (499964661699).

1012310000001 is an equidigital number, since it uses as much as digits as its factorization.

1012310000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483390 (or 483381 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 1012310000001 its reverse (1000000132101), we get a palindrome (2012310132102).

The spelling of 1012310000001 in words is "one trillion, twelve billion, three hundred ten million, one", and thus it is an aban number.