20312120211301 has 16 divisors (see below), whose sum is σ = 20652209280000. Its totient is φ = 19973127607488.

The previous prime is 20312120211287. The next prime is 20312120211433. The reversal of 20312120211301 is 10311202121302.

It is a cyclic number.

It is not a de Polignac number, because 20312120211301 - 2⁵ = 20312120211269 is a prime.

It is a super-2 number, since 2×20312120211301² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312120212301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282080700 + ... + 282152698.

It is an arithmetic number, because the mean of its divisors is an integer number (1290763080000).

Almost surely, 2^{20312120211301} is an apocalyptic number.

It is an amenable number.

20312120211301 is a deficient number, since it is larger than the sum of its proper divisors (340089068699).

20312120211301 is an equidigital number, since it uses as much as digits as its factorization.

20312120211301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79548.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20312120211301 its reverse (10311202121302), we get a palindrome (30623322332603).

The spelling of 20312120211301 in words is "twenty trillion, three hundred twelve billion, one hundred twenty million, two hundred eleven thousand, three hundred one".