320012111213 has 8 divisors (see below), whose sum is σ = 320341236600. Its totient is φ = 319683068928.

The previous prime is 320012111071. The next prime is 320012111227. The reversal of 320012111213 is 312111210023.

It can be written as a sum of positive squares in 4 ways, for example, as 186013651849 + 133998459364 = 431293^2 + 366058^2 .

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 320012111213 - 2³⁶ = 251292634477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320012111191 and 320012111200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320012111233) 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, 10178045 + ... + 10209437.

It is an arithmetic number, because the mean of its divisors is an integer number (40042654575).

Almost surely, 2^320012111213 is an apocalyptic number.

It is an amenable number.

320012111213 is a deficient number, since it is larger than the sum of its proper divisors (329125387).

320012111213 is a wasteful number, since it uses less digits than its factorization.

320012111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41551.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 320012111213 its reverse (312111210023), we get a palindrome (632123321236).

The spelling of 320012111213 in words is "three hundred twenty billion, twelve million, one hundred eleven thousand, two hundred thirteen".