12211012112200 has 48 divisors (see below), whose sum is σ = 30971567090160. Its totient is φ = 4440368040000.

The previous prime is 12211012112141. The next prime is 12211012112263. The reversal of 12211012112200 is 221121011221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2775227826 + ... + 2775232225.

It is an arithmetic number, because the mean of its divisors is an integer number (645240981045).

Almost surely, 2^{12211012112200} is an apocalyptic number.

12211012112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211012112200 is an abundant number, since it is smaller than the sum of its proper divisors (18760554977960).

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

12211012112200 is a wasteful number, since it uses less digits than its factorization.

12211012112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550460078 (or 5550460069 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211012112200 its reverse (221121011221), we get a palindrome (12432133123421).

The spelling of 12211012112200 in words is "twelve trillion, two hundred eleven billion, twelve million, one hundred twelve thousand, two hundred".