20121322301 has 2 divisors, whose sum is σ = 20121322302. Its totient is φ = 20121322300.

The previous prime is 20121322279. The next prime is 20121322307. The reversal of 20121322301 is 10322312102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19793676100 + 327646201 = 140690^2 + 18101^2 .

It is a cyclic number.

It is not a de Polignac number, because 20121322301 - 2¹⁴ = 20121305917 is a prime.

It is a super-2 number, since 2×20121322301² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20121322301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20121322307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060661150 + 10060661151.

It is an arithmetic number, because the mean of its divisors is an integer number (10060661151).

Almost surely, 2^20121322301 is an apocalyptic number.

It is an amenable number.

20121322301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20121322301 is an equidigital number, since it uses as much as digits as its factorization.

20121322301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20121322301 its reverse (10322312102), we get a palindrome (30443634403).

The spelling of 20121322301 in words is "twenty billion, one hundred twenty-one million, three hundred twenty-two thousand, three hundred one".