12012220002 has 16 divisors (see below), whose sum is σ = 24046116480. Its totient is φ = 4000460592.

The previous prime is 12012220001. The next prime is 12012220049. The reversal of 12012220002 is 20002221021.

It is a self number, because there is not a number n which added to its sum of digits gives 12012220002.

It is not an unprimeable number, because it can be changed into a prime (12012220001) 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, 895978 + ... + 909285.

It is an arithmetic number, because the mean of its divisors is an integer number (1502882280).

Almost surely, 2^12012220002 is an apocalyptic number.

12012220002 is an abundant number, since it is smaller than the sum of its proper divisors (12033896478).

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

12012220002 is a wasteful number, since it uses less digits than its factorization.

12012220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806377.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12012220002 its reverse (20002221021), we get a palindrome (32014441023).

The spelling of 12012220002 in words is "twelve billion, twelve million, two hundred twenty thousand, two".