1202031130123 has 2 divisors, whose sum is σ = 1202031130124. Its totient is φ = 1202031130122.

The previous prime is 1202031130121. The next prime is 1202031130133. The reversal of 1202031130123 is 3210311302021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202031130123 - 2¹ = 1202031130121 is a prime.

Together with 1202031130121, 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 1202031130123.

It is not a weakly prime, because it can be changed into another prime (1202031130121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601015565061 + 601015565062.

It is an arithmetic number, because the mean of its divisors is an integer number (601015565062).

Almost surely, 2^{1202031130123} is an apocalyptic number.

1202031130123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202031130123 is an equidigital number, since it uses as much as digits as its factorization.

1202031130123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1202031130123 its reverse (3210311302021), we get a palindrome (4412342432144).

The spelling of 1202031130123 in words is "one trillion, two hundred two billion, thirty-one million, one hundred thirty thousand, one hundred twenty-three".