1202220300 has 144 divisors (see below), whose sum is σ = 3611768832. Its totient is φ = 308428800.

The previous prime is 1202220293. The next prime is 1202220301. The reversal of 1202220300 is 30222021.

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

It is not an unprimeable number, because it can be changed into a prime (1202220301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2389849 + ... + 2390351.

It is an arithmetic number, because the mean of its divisors is an integer number (25081728).

Almost surely, 2^1202220300 is an apocalyptic number.

1202220300 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 1202220300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1805884416).

1202220300 is an abundant number, since it is smaller than the sum of its proper divisors (2409548532).

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

1202220300 is a wasteful number, since it uses less digits than its factorization.

1202220300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1202220300 is about 34673.0486112773. The cubic root of 1202220300 is about 1063.3135600555.

Adding to 1202220300 its reverse (30222021), we get a palindrome (1232442321).

The spelling of 1202220300 in words is "one billion, two hundred two million, two hundred twenty thousand, three hundred".