12120221211002 has 8 divisors (see below), whose sum is σ = 18180931661076. Its totient is φ = 6059910657312.

The previous prime is 12120221211001. The next prime is 12120221211031. The reversal of 12120221211002 is 20011212202121.

It can be written as a sum of positive squares in 2 ways, for example, as 10921894719241 + 1198326491761 = 3304829^2 + 1094681^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12120221211001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99898313 + ... + 100019564.

Almost surely, 2^{12120221211002} is an apocalyptic number.

12120221211002 is a deficient number, since it is larger than the sum of its proper divisors (6060710450074).

12120221211002 is a wasteful number, since it uses less digits than its factorization.

12120221211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199948192.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12120221211002 its reverse (20011212202121), we get a palindrome (32131433413123).

The spelling of 12120221211002 in words is "twelve trillion, one hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, two".