11212300000 has 144 divisors (see below), whose sum is σ = 30102229584. Its totient is φ = 4076800000.

The previous prime is 11212299983. The next prime is 11212300019. The reversal of 11212300000 is 321211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 11212300000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1094904 + ... + 1105096.

It is an arithmetic number, because the mean of its divisors is an integer number (209043261).

Almost surely, 2^11212300000 is an apocalyptic number.

11212300000 is a gapful number since it is divisible by the number (10) 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 11212300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15051114792).

11212300000 is an abundant number, since it is smaller than the sum of its proper divisors (18889929584).

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

11212300000 is an equidigital number, since it uses as much as digits as its factorization.

11212300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10239 (or 10211 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 11212300000 its reverse (321211), we get a palindrome (11212621211).

The spelling of 11212300000 in words is "eleven billion, two hundred twelve million, three hundred thousand".