12211010211000 has 256 divisors, whose sum is σ = 39135929938560. Its totient is φ = 3167623065600.

The previous prime is 12211010210977. The next prime is 12211010211007. The reversal of 12211010211000 is 11201011221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211010211007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 829939644 + ... + 829954356.

Almost surely, 2^{12211010211000} is an apocalyptic number.

12211010211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12211010211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19567964969280).

12211010211000 is an abundant number, since it is smaller than the sum of its proper divisors (26924919727560).

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

12211010211000 is a wasteful number, since it uses less digits than its factorization.

12211010211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22251 (or 22237 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12211010211000 its reverse (11201011221), we get a palindrome (12222211222221).

The spelling of 12211010211000 in words is "twelve trillion, two hundred eleven billion, ten million, two hundred eleven thousand".