11123303010312 has 256 divisors, whose sum is σ = 29517646233600. Its totient is φ = 3489478686720.

The previous prime is 11123303010307. The next prime is 11123303010319. The reversal of 11123303010312 is 21301030332111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11123303010319) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 647033637 + ... + 647050827.

It is an arithmetic number, because the mean of its divisors is an integer number (115303305600).

Almost surely, 2^{11123303010312} is an apocalyptic number.

11123303010312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11123303010312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14758823116800).

11123303010312 is an abundant number, since it is smaller than the sum of its proper divisors (18394343223288).

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

11123303010312 is a wasteful number, since it uses less digits than its factorization.

11123303010312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17516 (or 17512 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11123303010312 its reverse (21301030332111), we get a palindrome (32424333342423).

The spelling of 11123303010312 in words is "eleven trillion, one hundred twenty-three billion, three hundred three million, ten thousand, three hundred twelve".