12121100202 has 8 divisors (see below), whose sum is σ = 24242200416. Its totient is φ = 4040366732.

The previous prime is 12121100171. The next prime is 12121100209. The reversal of 12121100202 is 20200112121.

It is a sphenic number, since it is the product of 3 distinct primes.

12121100202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12121100209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010091678 + ... + 1010091689.

It is an arithmetic number, because the mean of its divisors is an integer number (3030275052).

Almost surely, 2^12121100202 is an apocalyptic number.

12121100202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12121100202 is a wasteful number, since it uses less digits than its factorization.

12121100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020183372.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12121100202 its reverse (20200112121), we get a palindrome (32321212323).

The spelling of 12121100202 in words is "twelve billion, one hundred twenty-one million, one hundred thousand, two hundred two".