1210303102139 has 2 divisors, whose sum is σ = 1210303102140. Its totient is φ = 1210303102138.

The previous prime is 1210303102109. The next prime is 1210303102157. The reversal of 1210303102139 is 9312013030121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210303102139 - 2²⁸ = 1210034666683 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210303102109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605151551069 + 605151551070.

It is an arithmetic number, because the mean of its divisors is an integer number (605151551070).

Almost surely, 2^{1210303102139} is an apocalyptic number.

1210303102139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210303102139 is an equidigital number, since it uses as much as digits as its factorization.

1210303102139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 1210303102139 in words is "one trillion, two hundred ten billion, three hundred three million, one hundred two thousand, one hundred thirty-nine".