1210320229 has 2 divisors, whose sum is σ = 1210320230. Its totient is φ = 1210320228.

The previous prime is 1210320179. The next prime is 1210320239. The reversal of 1210320229 is 9220230121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009332900 + 200987329 = 31770^2 + 14177^2 .

It is an emirp because it is prime and its reverse (9220230121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210320229 - 2⁷ = 1210320101 is a prime.

It is a super-2 number, since 2×1210320229² = 2929750113453224882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210320239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605160114 + 605160115.

It is an arithmetic number, because the mean of its divisors is an integer number (605160115).

Almost surely, 2^1210320229 is an apocalyptic number.

It is an amenable number.

1210320229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210320229 is an equidigital number, since it uses as much as digits as its factorization.

1210320229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1210320229 is about 34789.6569255864. The cubic root of 1210320229 is about 1065.6962330862.

The spelling of 1210320229 in words is "one billion, two hundred ten million, three hundred twenty thousand, two hundred twenty-nine".