11200001212 has 24 divisors (see below), whose sum is σ = 20672668800. Its totient is φ = 5294698416.

The previous prime is 11200001207. The next prime is 11200001213. The reversal of 11200001212 is 21210000211.

11200001212 is a modest number, since divided by 1212 gives 112 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200001213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108262 + ... + 184717.

It is an arithmetic number, because the mean of its divisors is an integer number (861361200).

Almost surely, 2^11200001212 is an apocalyptic number.

It is an amenable number.

11200001212 is a deficient number, since it is larger than the sum of its proper divisors (9472667588).

11200001212 is a wasteful number, since it uses less digits than its factorization.

11200001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293505 (or 293503 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11200001212 its reverse (21210000211), we get a palindrome (32410001423).

The spelling of 11200001212 in words is "eleven billion, two hundred million, one thousand, two hundred twelve".