1210302220123 has 2 divisors, whose sum is σ = 1210302220124. Its totient is φ = 1210302220122.

The previous prime is 1210302220121. The next prime is 1210302220139. The reversal of 1210302220123 is 3210222030121.

It is a weak prime.

It is an emirp because it is prime and its reverse (3210222030121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210302220123 - 2¹ = 1210302220121 is a prime.

It is a super-2 number, since 2×1210302220123² (a number of 25 digits) contains 22 as substring.

Together with 1210302220121, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1210302220123.

It is not a weakly prime, because it can be changed into another prime (1210302220121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605151110061 + 605151110062.

It is an arithmetic number, because the mean of its divisors is an integer number (605151110062).

Almost surely, 2^{1210302220123} is an apocalyptic number.

1210302220123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210302220123 is an equidigital number, since it uses as much as digits as its factorization.

1210302220123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1210302220123 its reverse (3210222030121), we get a palindrome (4420524250244).

The spelling of 1210302220123 in words is "one trillion, two hundred ten billion, three hundred two million, two hundred twenty thousand, one hundred twenty-three".