212052305251 has 2 divisors, whose sum is σ = 212052305252. Its totient is φ = 212052305250.

The previous prime is 212052305243. The next prime is 212052305273. The reversal of 212052305251 is 152503250212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212052305251 - 2³ = 212052305243 is a prime.

It is not a weakly prime, because it can be changed into another prime (212062305251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106026152625 + 106026152626.

It is an arithmetic number, because the mean of its divisors is an integer number (106026152626).

Almost surely, 2^212052305251 is an apocalyptic number.

212052305251 is a deficient number, since it is larger than the sum of its proper divisors (1).

212052305251 is an equidigital number, since it uses as much as digits as its factorization.

212052305251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 212052305251 its reverse (152503250212), we get a palindrome (364555555463).

The spelling of 212052305251 in words is "two hundred twelve billion, fifty-two million, three hundred five thousand, two hundred fifty-one".