11212012001200 has 120 divisors (see below), whose sum is σ = 28356124365200. Its totient is φ = 4248532270080.

The previous prime is 11212012001191. The next prime is 11212012001209. The reversal of 11212012001200 is 210021021211.

It is an interprime number because it is at equal distance from previous prime (11212012001191) and next prime (11212012001209).

It is not an unprimeable number, because it can be changed into a prime (11212012001209) 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, 219865306 + ... + 219916294.

Almost surely, 2^{11212012001200} is an apocalyptic number.

11212012001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212012001200 is an abundant number, since it is smaller than the sum of its proper divisors (17144112364000).

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

11212012001200 is a wasteful number, since it uses less digits than its factorization.

11212012001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79959 (or 79948 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11212012001200 its reverse (210021021211), we get a palindrome (11422033022411).

The spelling of 11212012001200 in words is "eleven trillion, two hundred twelve billion, twelve million, one thousand, two hundred".