12211022201000 has 256 divisors, whose sum is σ = 35105876582400. Its totient is φ = 3881895840000.

The previous prime is 12211022200963. The next prime is 12211022201009. The reversal of 12211022201000 is 10222011221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (12211022201009) 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, 5274275 + ... + 7227725.

It is an arithmetic number, because the mean of its divisors is an integer number (137132330400).

Almost surely, 2^{12211022201000} is an apocalyptic number.

12211022201000 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 12211022201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17552938291200).

12211022201000 is an abundant number, since it is smaller than the sum of its proper divisors (22894854381400).

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

12211022201000 is a wasteful number, since it uses less digits than its factorization.

12211022201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953545 (or 1953531 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12211022201000 its reverse (10222011221), we get a palindrome (12221244212221).

The spelling of 12211022201000 in words is "twelve trillion, two hundred eleven billion, twenty-two million, two hundred one thousand".