1012012010109 has 24 divisors (see below), whose sum is σ = 1469045882304. Its totient is φ = 671333400000.

The previous prime is 1012012010017. The next prime is 1012012010129. The reversal of 1012012010109 is 9010102102101.

It is a happy number.

It is not a de Polignac number, because 1012012010109 - 2²¹ = 1012009912957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012012010091 and 1012012010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012012010129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2111769 + ... + 2546289.

It is an arithmetic number, because the mean of its divisors is an integer number (61210245096).

Almost surely, 2^{1012012010109} is an apocalyptic number.

It is an amenable number.

1012012010109 is a deficient number, since it is larger than the sum of its proper divisors (457033872195).

1012012010109 is a wasteful number, since it uses less digits than its factorization.

1012012010109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435809 (or 435806 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 1012012010109 in words is "one trillion, twelve billion, twelve million, ten thousand, one hundred nine".