1011112030012 has 120 divisors (see below), whose sum is σ = 2193533909280. Its totient is φ = 406373667840.

The previous prime is 1011112030003. The next prime is 1011112030013. The reversal of 1011112030012 is 2100302111101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1011112029974 and 1011112030001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011112030013) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45867289 + ... + 45889327.

It is an arithmetic number, because the mean of its divisors is an integer number (18279449244).

Almost surely, 2^{1011112030012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011112030012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096766954640).

1011112030012 is an abundant number, since it is smaller than the sum of its proper divisors (1182421879268).

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

1011112030012 is a wasteful number, since it uses less digits than its factorization.

1011112030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22369 (or 22346 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1011112030012 its reverse (2100302111101), we get a palindrome (3111414141113).

The spelling of 1011112030012 in words is "one trillion, eleven billion, one hundred twelve million, thirty thousand, twelve".