1202220000 has 180 divisors, whose sum is σ = 4272788520. Its totient is φ = 320544000.

The previous prime is 1202219989. The next prime is 1202220013. The reversal of 1202220000 is 222021.

1202220000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 176661 + ... + 183339.

It is an arithmetic number, because the mean of its divisors is an integer number (23737714).

Almost surely, 2^1202220000 is an apocalyptic number.

1202220000 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 1202220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2136394260).

1202220000 is an abundant number, since it is smaller than the sum of its proper divisors (3070568520).

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

1202220000 is an equidigital number, since it uses as much as digits as its factorization.

1202220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715 (or 6689 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 1202220000 is about 34673.0442851504. The cubic root of 1202220000 is about 1063.3134716097.

Adding to 1202220000 its reverse (222021), we get a palindrome (1202442021).

The spelling of 1202220000 in words is "one billion, two hundred two million, two hundred twenty thousand".