1012011330112 has 56 divisors (see below), whose sum is σ = 2035841456376. Its totient is φ = 499079036928.

The previous prime is 1012011330103. The next prime is 1012011330137. The reversal of 1012011330112 is 2110331102101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 395308957696 + 616702372416 = 628736^2 + 785304^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1540758 + ... + 2097130.

It is an arithmetic number, because the mean of its divisors is an integer number (36354311721).

Almost surely, 2^{1012011330112} 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 1012011330112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017920728188).

1012011330112 is an abundant number, since it is smaller than the sum of its proper divisors (1023830126264).

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

1012011330112 is an equidigital number, since it uses as much as digits as its factorization.

1012011330112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556775 (or 556765 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1012011330112 its reverse (2110331102101), we get a palindrome (3122342432213).

The spelling of 1012011330112 in words is "one trillion, twelve billion, eleven million, three hundred thirty thousand, one hundred twelve".