12012122002 has 16 divisors (see below), whose sum is σ = 19309735872. Its totient is φ = 5589658800.

The previous prime is 12012121991. The next prime is 12012122009. The reversal of 12012122002 is 20022121021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12012122009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3527124 + ... + 3530527.

It is an arithmetic number, because the mean of its divisors is an integer number (1206858492).

Almost surely, 2^12012122002 is an apocalyptic number.

12012122002 is a deficient number, since it is larger than the sum of its proper divisors (7297613870).

12012122002 is a wasteful number, since it uses less digits than its factorization.

12012122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7057713.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12012122002 its reverse (20022121021), we get a palindrome (32034243023).

The spelling of 12012122002 in words is "twelve billion, twelve million, one hundred twenty-two thousand, two".