202202001221000 has 256 divisors, whose sum is σ = 518142010464000. Its totient is φ = 73247074560000.

The previous prime is 202202001220969. The next prime is 202202001221009. The reversal of 202202001221000 is 122100202202.

It is not an unprimeable number, because it can be changed into a prime (202202001221009) 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, 3461681795 + ... + 3461740205.

It is an arithmetic number, because the mean of its divisors is an integer number (2023992228375).

Almost surely, 2^{202202001221000} is an apocalyptic number.

202202001221000 is a gapful number since it is divisible by the number (20) 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 202202001221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259071005232000).

202202001221000 is an abundant number, since it is smaller than the sum of its proper divisors (315940009243000).

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

202202001221000 is a wasteful number, since it uses less digits than its factorization.

202202001221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59641 (or 59627 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202202001221000 its reverse (122100202202), we get a palindrome (202324101423202).

The spelling of 202202001221000 in words is "two hundred two trillion, two hundred two billion, one million, two hundred twenty-one thousand".