12121121022002 has 8 divisors (see below), whose sum is σ = 18290553878016. Its totient is φ = 6024269729332.

The previous prime is 12121121022001. The next prime is 12121121022013. The reversal of 12121121022002 is 20022012112121.

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 (12121121022001) 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, 18145390418 + ... + 18145391085.

It is an arithmetic number, because the mean of its divisors is an integer number (2286319234752).

Almost surely, 2^{12121121022002} is an apocalyptic number.

12121121022002 is a deficient number, since it is larger than the sum of its proper divisors (6169432856014).

12121121022002 is a wasteful number, since it uses less digits than its factorization.

12121121022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36290781672.

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

Adding to 12121121022002 its reverse (20022012112121), we get a palindrome (32143133134123).

The spelling of 12121121022002 in words is "twelve trillion, one hundred twenty-one billion, one hundred twenty-one million, twenty-two thousand, two".