3001212421 has 2 divisors, whose sum is σ = 3001212422. Its totient is φ = 3001212420.

The previous prime is 3001212371. The next prime is 3001212433. The reversal of 3001212421 is 1242121003.

3001212421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2636822500 + 364389921 = 51350^2 + 19089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3001212421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3001212395 and 3001212404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3001212451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500606210 + 1500606211.

It is an arithmetic number, because the mean of its divisors is an integer number (1500606211).

Almost surely, 2^3001212421 is an apocalyptic number.

It is an amenable number.

3001212421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3001212421 is an equidigital number, since it uses as much as digits as its factorization.

3001212421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3001212421 is about 54783.3224713507. The cubic root of 3001212421 is about 1442.4438345471.

Adding to 3001212421 its reverse (1242121003), we get a palindrome (4243333424).

The spelling of 3001212421 in words is "three billion, one million, two hundred twelve thousand, four hundred twenty-one".