12021000222002 has 4 divisors (see below), whose sum is σ = 18031500333006. Its totient is φ = 6010500111000.

The previous prime is 12021000222001. The next prime is 12021000222013. The reversal of 12021000222002 is 20022200012021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11080583220001 + 940417002001 = 3328751^2 + 969751^2 .

It is not an unprimeable number, because it can be changed into a prime (12021000222001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005250055499 + ... + 3005250055502.

Almost surely, 2^{12021000222002} is an apocalyptic number.

12021000222002 is a deficient number, since it is larger than the sum of its proper divisors (6010500111004).

12021000222002 is an equidigital number, since it uses as much as digits as its factorization.

12021000222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010500111003.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12021000222002 its reverse (20022200012021), we get a palindrome (32043200234023).

The spelling of 12021000222002 in words is "twelve trillion, twenty-one billion, two hundred twenty-two thousand, two".