12222121222002 has 8 divisors (see below), whose sum is σ = 24444242444016. Its totient is φ = 4074040407332.

The previous prime is 12222121221991. The next prime is 12222121222037. The reversal of 12222121222002 is 20022212122221.

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

12222121222002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12222121222002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018510101828 + ... + 1018510101839.

It is an arithmetic number, because the mean of its divisors is an integer number (3055530305502).

Almost surely, 2^{12222121222002} is an apocalyptic number.

12222121222002 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.

12222121222002 is a wasteful number, since it uses less digits than its factorization.

12222121222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037020203672.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12222121222002 its reverse (20022212122221), we get a palindrome (32244333344223).

The spelling of 12222121222002 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, two".