1202202221000 has 256 divisors, whose sum is σ = 3178105632000. Its totient is φ = 421639680000.

The previous prime is 1202202220981. The next prime is 1202202221023. The reversal of 1202202221000 is 1222022021.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 474989735 + ... + 474992265.

It is an arithmetic number, because the mean of its divisors is an integer number (12414475125).

Almost surely, 2^{1202202221000} is an apocalyptic number.

1202202221000 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 1202202221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589052816000).

1202202221000 is an abundant number, since it is smaller than the sum of its proper divisors (1975903411000).

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

1202202221000 is a wasteful number, since it uses less digits than its factorization.

1202202221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081 (or 4067 counting only the distinct ones).

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

Adding to 1202202221000 its reverse (1222022021), we get a palindrome (1203424243021).

It can be divided in two parts, 1202 and 202221000, that added together give a palindrome (202222202).

The spelling of 1202202221000 in words is "one trillion, two hundred two billion, two hundred two million, two hundred twenty-one thousand".