12002121122 has 8 divisors (see below), whose sum is σ = 18005817936. Its totient is φ = 6000181812.

The previous prime is 12002121121. The next prime is 12002121137. The reversal of 12002121122 is 22112120021.

12002121122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12002121122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12002121097 and 12002121106.

It is not an unprimeable number, because it can be changed into a prime (12002121121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422168 + ... + 449699.

It is an arithmetic number, because the mean of its divisors is an integer number (2250727242).

Almost surely, 2^12002121122 is an apocalyptic number.

12002121122 is a deficient number, since it is larger than the sum of its proper divisors (6003696814).

12002121122 is an equidigital number, since it uses as much as digits as its factorization.

12002121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878752.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12002121122 its reverse (22112120021), we get a palindrome (34114241143).

The spelling of 12002121122 in words is "twelve billion, two million, one hundred twenty-one thousand, one hundred twenty-two".