12021022002 has 16 divisors (see below), whose sum is σ = 26227684512. Its totient is φ = 3642733920.

The previous prime is 12021022001. The next prime is 12021022003. The reversal of 12021022002 is 20022012021.

It is an interprime number because it is at equal distance from previous prime (12021022001) and next prime (12021022003).

It is not an unprimeable number, because it can be changed into a prime (12021022001) 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, 91068283 + ... + 91068414.

It is an arithmetic number, because the mean of its divisors is an integer number (1639230282).

Almost surely, 2^12021022002 is an apocalyptic number.

12021022002 is an abundant number, since it is smaller than the sum of its proper divisors (14206662510).

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

12021022002 is a wasteful number, since it uses less digits than its factorization.

12021022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182136713.

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

Adding to 12021022002 its reverse (20022012021), we get a palindrome (32043034023).

The spelling of 12021022002 in words is "twelve billion, twenty-one million, twenty-two thousand, two".