20120104201 has 2 divisors, whose sum is σ = 20120104202. Its totient is φ = 20120104200.

The previous prime is 20120104183. The next prime is 20120104211. The reversal of 20120104201 is 10240102102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18767630025 + 1352474176 = 136995^2 + 36776^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120104201 - 2¹¹ = 20120102153 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120104211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060052100 + 10060052101.

It is an arithmetic number, because the mean of its divisors is an integer number (10060052101).

Almost surely, 2^20120104201 is an apocalyptic number.

It is an amenable number.

20120104201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120104201 is an equidigital number, since it uses as much as digits as its factorization.

20120104201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20120104201 its reverse (10240102102), we get a palindrome (30360206303).

The spelling of 20120104201 in words is "twenty billion, one hundred twenty million, one hundred four thousand, two hundred one".