11212200120000 has 1120 divisors, whose sum is σ = 41598285087744. Its totient is φ = 2640960000000.

The previous prime is 11212200119987. The next prime is 11212200120007. The reversal of 11212200120000 is 2100221211.

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

It is not an unprimeable number, because it can be changed into a prime (11212200120007) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 14246759607 + ... + 14246760393.

Almost surely, 2^{11212200120000} is an apocalyptic number.

11212200120000 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 11212200120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20799142543872).

11212200120000 is an abundant number, since it is smaller than the sum of its proper divisors (30386084967744).

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

11212200120000 is a wasteful number, since it uses less digits than its factorization.

11212200120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11212200120000 its reverse (2100221211), we get a palindrome (11214300341211).

The spelling of 11212200120000 in words is "eleven trillion, two hundred twelve billion, two hundred million, one hundred twenty thousand".