1230145212103 has 2 divisors, whose sum is σ = 1230145212104. Its totient is φ = 1230145212102.

The previous prime is 1230145212083. The next prime is 1230145212161. The reversal of 1230145212103 is 3012125410321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230145212103 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230145212403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615072606051 + 615072606052.

It is an arithmetic number, because the mean of its divisors is an integer number (615072606052).

Almost surely, 2^{1230145212103} is an apocalyptic number.

1230145212103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230145212103 is an equidigital number, since it uses as much as digits as its factorization.

1230145212103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 1230145212103 in words is "one trillion, two hundred thirty billion, one hundred forty-five million, two hundred twelve thousand, one hundred three".