1210254230149 has 2 divisors, whose sum is σ = 1210254230150. Its totient is φ = 1210254230148.

The previous prime is 1210254230131. The next prime is 1210254230233. The reversal of 1210254230149 is 9410324520121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 638309917249 + 571944312900 = 798943^2 + 756270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210254230149 - 2⁷ = 1210254230021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210254230249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605127115074 + 605127115075.

It is an arithmetic number, because the mean of its divisors is an integer number (605127115075).

Almost surely, 2^{1210254230149} is an apocalyptic number.

It is an amenable number.

1210254230149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210254230149 is an equidigital number, since it uses as much as digits as its factorization.

1210254230149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 1210254230149 in words is "one trillion, two hundred ten billion, two hundred fifty-four million, two hundred thirty thousand, one hundred forty-nine".