12211302100 has 36 divisors (see below), whose sum is σ = 26508670524. Its totient is φ = 4882650880.

The previous prime is 12211302091. The next prime is 12211302121. The reversal of 12211302100 is 120311221.

It can be written as a sum of positive squares in 6 ways, for example, as 1365745936 + 10845556164 = 36956^2 + 104142^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255714 + ... + 299686.

It is an arithmetic number, because the mean of its divisors is an integer number (736351959).

Almost surely, 2^12211302100 is an apocalyptic number.

12211302100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211302100 is an abundant number, since it is smaller than the sum of its proper divisors (14297368424).

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

12211302100 is a wasteful number, since it uses less digits than its factorization.

12211302100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46764 (or 46757 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12211302100 its reverse (120311221), we get a palindrome (12331613321).

The spelling of 12211302100 in words is "twelve billion, two hundred eleven million, three hundred two thousand, one hundred".