5012212446221 has 2 divisors, whose sum is σ = 5012212446222. Its totient is φ = 5012212446220.

The previous prime is 5012212446217. The next prime is 5012212446223. The reversal of 5012212446221 is 1226442122105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4198446078121 + 813766368100 = 2049011^2 + 902090^2 .

It is a cyclic number.

It is not a de Polignac number, because 5012212446221 - 2² = 5012212446217 is a prime.

Together with 5012212446223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5012212446223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506106223110 + 2506106223111.

It is an arithmetic number, because the mean of its divisors is an integer number (2506106223111).

Almost surely, 2^{5012212446221} is an apocalyptic number.

It is an amenable number.

5012212446221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5012212446221 is an equidigital number, since it uses as much as digits as its factorization.

5012212446221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 5012212446221 its reverse (1226442122105), we get a palindrome (6238654568326).

The spelling of 5012212446221 in words is "five trillion, twelve billion, two hundred twelve million, four hundred forty-six thousand, two hundred twenty-one".