12020212301 has 2 divisors, whose sum is σ = 12020212302. Its totient is φ = 12020212300.

The previous prime is 12020212297. The next prime is 12020212313. The reversal of 12020212301 is 10321202021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8231932900 + 3788279401 = 90730^2 + 61549^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020212301 - 2² = 12020212297 is a prime.

It is a super-2 number, since 2×12020212301² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020212201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010106150 + 6010106151.

It is an arithmetic number, because the mean of its divisors is an integer number (6010106151).

Almost surely, 2^12020212301 is an apocalyptic number.

It is an amenable number.

12020212301 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020212301 is an equidigital number, since it uses as much as digits as its factorization.

12020212301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12020212301 its reverse (10321202021), we get a palindrome (22341414322).

The spelling of 12020212301 in words is "twelve billion, twenty million, two hundred twelve thousand, three hundred one".