121212122001002 has 8 divisors (see below), whose sum is σ = 181919137023012. Its totient is φ = 60572409660000.

The previous prime is 121212122000939. The next prime is 121212122001067. The reversal of 121212122001002 is 200100221212121.

It can be written as a sum of positive squares in 2 ways, for example, as 92547459185281 + 28664662815721 = 9620159^2 + 5353939^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16825665749 + ... + 16825672952.

Almost surely, 2^{121212122001002} is an apocalyptic number.

121212122001002 is a deficient number, since it is larger than the sum of its proper divisors (60707015022010).

121212122001002 is a wasteful number, since it uses less digits than its factorization.

121212122001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33651340504.

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

Adding to 121212122001002 its reverse (200100221212121), we get a palindrome (321312343213123).

The spelling of 121212122001002 in words is "one hundred twenty-one trillion, two hundred twelve billion, one hundred twenty-two million, one thousand, two".