1210302220139 has 2 divisors, whose sum is σ = 1210302220140. Its totient is φ = 1210302220138.

The previous prime is 1210302220123. The next prime is 1210302220159. The reversal of 1210302220139 is 9310222030121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210302220139 - 2⁴ = 1210302220123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210302220159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605151110069 + 605151110070.

It is an arithmetic number, because the mean of its divisors is an integer number (605151110070).

Almost surely, 2^{1210302220139} is an apocalyptic number.

1210302220139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210302220139 is an equidigital number, since it uses as much as digits as its factorization.

1210302220139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 1210302220139 in words is "one trillion, two hundred ten billion, three hundred two million, two hundred twenty thousand, one hundred thirty-nine".