11222012200212 has 72 divisors (see below), whose sum is σ = 31034729430432. Its totient is φ = 3390809688000.

The previous prime is 11222012200193. The next prime is 11222012200213. The reversal of 11222012200212 is 21200221022211.

It is a happy number.

11222012200212 is a `hidden beast` number, since 1 + 12 + 220 + 1 + 220 + 0 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222012200213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40696039 + ... + 40970862.

It is an arithmetic number, because the mean of its divisors is an integer number (431037908756).

Almost surely, 2^{11222012200212} is an apocalyptic number.

11222012200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222012200212 is an abundant number, since it is smaller than the sum of its proper divisors (19812717230220).

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

11222012200212 is a wasteful number, since it uses less digits than its factorization.

11222012200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81667269 (or 81667264 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11222012200212 its reverse (21200221022211), we get a palindrome (32422233222423).

The spelling of 11222012200212 in words is "eleven trillion, two hundred twenty-two billion, twelve million, two hundred thousand, two hundred twelve".