2130001229 has 2 divisors, whose sum is σ = 2130001230. Its totient is φ = 2130001228.

The previous prime is 2130001217. The next prime is 2130001231. The reversal of 2130001229 is 9221000312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1370998729 + 759002500 = 37027^2 + 27550^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130001229 - 2²⁴ = 2113224013 is a prime.

Together with 2130001231, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2130001229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130004229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065000614 + 1065000615.

It is an arithmetic number, because the mean of its divisors is an integer number (1065000615).

Almost surely, 2^2130001229 is an apocalyptic number.

It is an amenable number.

2130001229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130001229 is an equidigital number, since it uses as much as digits as its factorization.

2130001229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2130001229 is about 46151.9363515768. The cubic root of 2130001229 is about 1286.6485986870.

The spelling of 2130001229 in words is "two billion, one hundred thirty million, one thousand, two hundred twenty-nine".