121320312120002 has 16 divisors (see below), whose sum is σ = 182723455212480. Its totient is φ = 60412930897392.

The previous prime is 121320312119999. The next prime is 121320312120023. The reversal of 121320312120002 is 200021213023121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108739808 + ... + 109849835.

It is an arithmetic number, because the mean of its divisors is an integer number (11420215950780).

Almost surely, 2^{121320312120002} is an apocalyptic number.

121320312120002 is a deficient number, since it is larger than the sum of its proper divisors (61403143092478).

121320312120002 is a wasteful number, since it uses less digits than its factorization.

121320312120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218590777.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121320312120002 its reverse (200021213023121), we get a palindrome (321341525143123).

The spelling of 121320312120002 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred twelve million, one hundred twenty thousand, two".