12121021202002 has 8 divisors (see below), whose sum is σ = 18342430314876. Its totient is φ = 6006877763712.

The previous prime is 12121021201997. The next prime is 12121021202039. The reversal of 12121021202002 is 20020212012121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7273533908601 + 4847487293401 = 2696949^2 + 2201701^2 .

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

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, 26816418363 + ... + 26816418814.

Almost surely, 2^{12121021202002} is an apocalyptic number.

12121021202002 is a deficient number, since it is larger than the sum of its proper divisors (6221409112874).

12121021202002 is a wasteful number, since it uses less digits than its factorization.

12121021202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53632837292.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12121021202002 its reverse (20020212012121), we get a palindrome (32141233214123).

The spelling of 12121021202002 in words is "twelve trillion, one hundred twenty-one billion, twenty-one million, two hundred two thousand, two".