20121120301 has 2 divisors, whose sum is σ = 20121120302. Its totient is φ = 20121120300.

The previous prime is 20121120277. The next prime is 20121120317. The reversal of 20121120301 is 10302112102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10707075625 + 9414044676 = 103475^2 + 97026^2 .

It is a cyclic number.

It is not a de Polignac number, because 20121120301 - 2⁹ = 20121119789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20121120361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060560150 + 10060560151.

It is an arithmetic number, because the mean of its divisors is an integer number (10060560151).

Almost surely, 2^20121120301 is an apocalyptic number.

It is an amenable number.

20121120301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20121120301 is an equidigital number, since it uses as much as digits as its factorization.

20121120301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20121120301 its reverse (10302112102), we get a palindrome (30423232403).

The spelling of 20121120301 in words is "twenty billion, one hundred twenty-one million, one hundred twenty thousand, three hundred one".