1230101030209 has 2 divisors, whose sum is σ = 1230101030210. Its totient is φ = 1230101030208.

The previous prime is 1230101030189. The next prime is 1230101030219. The reversal of 1230101030209 is 9020301010321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1143413183025 + 86687847184 = 1069305^2 + 294428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230101030209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230101030209.

It is not a weakly prime, because it can be changed into another prime (1230101030219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615050515104 + 615050515105.

It is an arithmetic number, because the mean of its divisors is an integer number (615050515105).

Almost surely, 2^{1230101030209} is an apocalyptic number.

It is an amenable number.

1230101030209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230101030209 is an equidigital number, since it uses as much as digits as its factorization.

1230101030209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 1230101030209 in words is "one trillion, two hundred thirty billion, one hundred one million, thirty thousand, two hundred nine".