2412124212221 has 2 divisors, whose sum is σ = 2412124212222. Its totient is φ = 2412124212220.

The previous prime is 2412124212139. The next prime is 2412124212241. The reversal of 2412124212221 is 1222124212142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1635037886596 + 777086325625 = 1278686^2 + 881525^2 .

It is a cyclic number.

It is not a de Polignac number, because 2412124212221 - 2²² = 2412120017917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2412124212241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1206062106110 + 1206062106111.

It is an arithmetic number, because the mean of its divisors is an integer number (1206062106111).

Almost surely, 2^{2412124212221} is an apocalyptic number.

It is an amenable number.

2412124212221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2412124212221 is an equidigital number, since it uses as much as digits as its factorization.

2412124212221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2048, while the sum is 26.

Adding to 2412124212221 its reverse (1222124212142), we get a palindrome (3634248424363).

The spelling of 2412124212221 in words is "two trillion, four hundred twelve billion, one hundred twenty-four million, two hundred twelve thousand, two hundred twenty-one".