12121112202 has 8 divisors (see below), whose sum is σ = 24242224416. Its totient is φ = 4040370732.

The previous prime is 12121112197. The next prime is 12121112207. The reversal of 12121112202 is 20221112121.

It is an interprime number because it is at equal distance from previous prime (12121112197) and next prime (12121112207).

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

12121112202 is an admirable number.

It is a super-2 number, since 2×12121112202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12121112207) 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, 1010092678 + ... + 1010092689.

It is an arithmetic number, because the mean of its divisors is an integer number (3030278052).

Almost surely, 2^12121112202 is an apocalyptic number.

12121112202 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.

12121112202 is a wasteful number, since it uses less digits than its factorization.

12121112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020185372.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12121112202 its reverse (20221112121), we get a palindrome (32342224323).

The spelling of 12121112202 in words is "twelve billion, one hundred twenty-one million, one hundred twelve thousand, two hundred two".