1230201229 has 2 divisors, whose sum is σ = 1230201230. Its totient is φ = 1230201228.

The previous prime is 1230201221. The next prime is 1230201251. The reversal of 1230201229 is 9221020321.

It is an a-pointer prime, because the next prime (1230201251) can be obtained adding 1230201229 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 773396100 + 456805129 = 27810^2 + 21373^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230201229 - 2³ = 1230201221 is a prime.

It is a super-2 number, since 2×1230201229² = 3026790127666220882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230201221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615100614 + 615100615.

It is an arithmetic number, because the mean of its divisors is an integer number (615100615).

Almost surely, 2^1230201229 is an apocalyptic number.

It is an amenable number.

1230201229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230201229 is an equidigital number, since it uses as much as digits as its factorization.

1230201229 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 1230201229 is about 35074.2245673372. The cubic root of 1230201229 is about 1071.4996960590.

The spelling of 1230201229 in words is "one billion, two hundred thirty million, two hundred one thousand, two hundred twenty-nine".