1210226770913 has 2 divisors, whose sum is σ = 1210226770914. Its totient is φ = 1210226770912.

The previous prime is 1210226770873. The next prime is 1210226770919. The reversal of 1210226770913 is 3190776220121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1202217952849 + 8008818064 = 1096457^2 + 89492^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210226770913 - 2³² = 1205931803617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1210226770919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605113385456 + 605113385457.

It is an arithmetic number, because the mean of its divisors is an integer number (605113385457).

Almost surely, 2^{1210226770913} is an apocalyptic number.

It is an amenable number.

1210226770913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210226770913 is an equidigital number, since it uses as much as digits as its factorization.

1210226770913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 1210226770913 in words is "one trillion, two hundred ten billion, two hundred twenty-six million, seven hundred seventy thousand, nine hundred thirteen".