121020313230004 has 6 divisors (see below), whose sum is σ = 211785548152514. Its totient is φ = 60510156615000.

The previous prime is 121020313230001. The next prime is 121020313230017. The reversal of 121020313230004 is 400032313020121.

It can be written as a sum of positive squares in only one way, i.e., 76650060020004 + 44370253210000 = 8755002^2 + 6661100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020313230001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127539153747 + ... + 15127539153754.

Almost surely, 2^{121020313230004} is an apocalyptic number.

It is an amenable number.

121020313230004 is a deficient number, since it is larger than the sum of its proper divisors (90765234922510).

121020313230004 is a wasteful number, since it uses less digits than its factorization.

121020313230004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30255078307505 (or 30255078307503 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121020313230004 its reverse (400032313020121), we get a palindrome (521052626250125).

The spelling of 121020313230004 in words is "one hundred twenty-one trillion, twenty billion, three hundred thirteen million, two hundred thirty thousand, four".