11201000001212 has 24 divisors (see below), whose sum is σ = 22412986874880. Its totient is φ = 4798074242160.

The previous prime is 11201000001199. The next prime is 11201000001239. The reversal of 11201000001212 is 21210000010211.

It is a junction number, because it is equal to n+sod(n) for n = 11201000001193 and 11201000001202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98038964 + ... + 98153147.

It is an arithmetic number, because the mean of its divisors is an integer number (933874453120).

Almost surely, 2^{11201000001212} is an apocalyptic number.

It is an amenable number.

11201000001212 is an abundant number, since it is smaller than the sum of its proper divisors (11211986873668).

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

11201000001212 is a wasteful number, since it uses less digits than its factorization.

11201000001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196194161 (or 196194159 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11201000001212 its reverse (21210000010211), we get a palindrome (32411000011423).

The spelling of 11201000001212 in words is "eleven trillion, two hundred one billion, one thousand, two hundred twelve".