1010001111012 has 48 divisors (see below), whose sum is σ = 2632230988800. Its totient is φ = 334904375520.

The previous prime is 1010001111001. The next prime is 1010001111013. The reversal of 1010001111012 is 2101111000101.

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

It is a junction number, because it is equal to n+sod(n) for n = 1010001110985 and 1010001111003.

It is not an unprimeable number, because it can be changed into a prime (1010001111013) 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, 24460687 + ... + 24501942.

It is an arithmetic number, because the mean of its divisors is an integer number (54838145600).

Almost surely, 2^{1010001111012} is an apocalyptic number.

1010001111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010001111012 is an abundant number, since it is smaller than the sum of its proper divisors (1622229877788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1010001111012 is a wasteful number, since it uses less digits than its factorization.

1010001111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48962833 (or 48962825 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1010001111012 its reverse (2101111000101), we get a palindrome (3111112111113).

The spelling of 1010001111012 in words is "one trillion, ten billion, one million, one hundred eleven thousand, twelve".