11012310012 has 96 divisors (see below), whose sum is σ = 29431422720. Its totient is φ = 3173829120.

The previous prime is 11012310011. The next prime is 11012310013. The reversal of 11012310012 is 21001321011.

It is an interprime number because it is at equal distance from previous prime (11012310011) and next prime (11012310013).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11012310012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012310011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235008 + ... + 277944.

It is an arithmetic number, because the mean of its divisors is an integer number (306577320).

Almost surely, 2^11012310012 is an apocalyptic number.

11012310012 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 11012310012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14715711360).

11012310012 is an abundant number, since it is smaller than the sum of its proper divisors (18419112708).

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

11012310012 is a wasteful number, since it uses less digits than its factorization.

11012310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43051 (or 43049 counting only the distinct ones).

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

Adding to 11012310012 its reverse (21001321011), we get a palindrome (32013631023).

The spelling of 11012310012 in words is "eleven billion, twelve million, three hundred ten thousand, twelve".