320012013312121 has 8 divisors (see below), whose sum is σ = 350469480029760. Its totient is φ = 290388997737552.

The previous prime is 320012013312091. The next prime is 320012013312203. The reversal of 320012013312121 is 121213310210023.

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

It is a cyclic number.

It is not a de Polignac number, because 320012013312121 - 2¹⁹ = 320012012787833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320012013312092 and 320012013312101.

It is not an unprimeable number, because it can be changed into a prime (320012013312721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208612784965 + ... + 208612786498.

It is an arithmetic number, because the mean of its divisors is an integer number (43808685003720).

Almost surely, 2^{320012013312121} is an apocalyptic number.

It is an amenable number.

320012013312121 is a deficient number, since it is larger than the sum of its proper divisors (30457466717639).

320012013312121 is a wasteful number, since it uses less digits than its factorization.

320012013312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417225571535.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 320012013312121 its reverse (121213310210023), we get a palindrome (441225323522144).

The spelling of 320012013312121 in words is "three hundred twenty trillion, twelve billion, thirteen million, three hundred twelve thousand, one hundred twenty-one".