20120031321301 has 4 divisors (see below), whose sum is σ = 20121746449504. Its totient is φ = 20118316193100.

The previous prime is 20120031321289. The next prime is 20120031321329. The reversal of 20120031321301 is 10312313002102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20120031321301 - 2⁹ = 20120031320789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120031321101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 857546505 + ... + 857569966.

It is an arithmetic number, because the mean of its divisors is an integer number (5030436612376).

Almost surely, 2^{20120031321301} is an apocalyptic number.

It is an amenable number.

20120031321301 is a deficient number, since it is larger than the sum of its proper divisors (1715128203).

20120031321301 is a wasteful number, since it uses less digits than its factorization.

20120031321301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715128202.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20120031321301 its reverse (10312313002102), we get a palindrome (30432344323403).

The spelling of 20120031321301 in words is "twenty trillion, one hundred twenty billion, thirty-one million, three hundred twenty-one thousand, three hundred one".