212020131251 has 2 divisors, whose sum is σ = 212020131252. Its totient is φ = 212020131250.

The previous prime is 212020131217. The next prime is 212020131289. The reversal of 212020131251 is 152131020212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212020131251 - 2¹⁸ = 212019869107 is a prime.

It is not a weakly prime, because it can be changed into another prime (212020139251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010065625 + 106010065626.

It is an arithmetic number, because the mean of its divisors is an integer number (106010065626).

Almost surely, 2^212020131251 is an apocalyptic number.

212020131251 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020131251 is an equidigital number, since it uses as much as digits as its factorization.

212020131251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 212020131251 its reverse (152131020212), we get a palindrome (364151151463).

The spelling of 212020131251 in words is "two hundred twelve billion, twenty million, one hundred thirty-one thousand, two hundred fifty-one".