1202200100 has 36 divisors (see below), whose sum is σ = 2628717168. Its totient is φ = 477204000.

The previous prime is 1202200099. The next prime is 1202200123. The reversal of 1202200100 is 10022021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32786 + ... + 58985.

Almost surely, 2^1202200100 is an apocalyptic number.

1202200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202200100 is an abundant number, since it is smaller than the sum of its proper divisors (1426517068).

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

1202200100 is a wasteful number, since it uses less digits than its factorization.

1202200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91916 (or 91909 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1202200100 is about 34672.7573175252. The cubic root of 1202200100 is about 1063.3076046705.

Adding to 1202200100 its reverse (10022021), we get a palindrome (1212222121).

The spelling of 1202200100 in words is "one billion, two hundred two million, two hundred thousand, one hundred".