212030223337 has 2 divisors, whose sum is σ = 212030223338. Its totient is φ = 212030223336.

The previous prime is 212030223263. The next prime is 212030223359. The reversal of 212030223337 is 733322030212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199754469721 + 12275753616 = 446939^2 + 110796^2 .

It is a cyclic number.

It is not a de Polignac number, because 212030223337 - 2²³ = 212021834729 is a prime.

It is not a weakly prime, because it can be changed into another prime (212030223367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015111668 + 106015111669.

It is an arithmetic number, because the mean of its divisors is an integer number (106015111669).

Almost surely, 2^212030223337 is an apocalyptic number.

It is an amenable number.

212030223337 is a deficient number, since it is larger than the sum of its proper divisors (1).

212030223337 is an equidigital number, since it uses as much as digits as its factorization.

212030223337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 28.

Adding to 212030223337 its reverse (733322030212), we get a palindrome (945352253549).

The spelling of 212030223337 in words is "two hundred twelve billion, thirty million, two hundred twenty-three thousand, three hundred thirty-seven".