1001001113012 has 12 divisors (see below), whose sum is σ = 1756714420356. Its totient is φ = 499082707200.

The previous prime is 1001001112967. The next prime is 1001001113017. The reversal of 1001001113012 is 2103111001001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 401048624656 + 599952488356 = 633284^2 + 774566^2 .

It is a super-4 number, since 4×1001001113012⁴ (a number of 49 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001001112984 and 1001001113002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001001113017) 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 3 ways as a sum of consecutive naturals, for example, 354460739 + ... + 354463562.

It is an arithmetic number, because the mean of its divisors is an integer number (146392868363).

Almost surely, 2^{1001001113012} is an apocalyptic number.

It is an amenable number.

1001001113012 is a deficient number, since it is larger than the sum of its proper divisors (755713307344).

1001001113012 is a wasteful number, since it uses less digits than its factorization.

1001001113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708924658 (or 708924656 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1001001113012 its reverse (2103111001001), we get a palindrome (3104112114013).

The spelling of 1001001113012 in words is "one trillion, one billion, one million, one hundred thirteen thousand, twelve".