1202130112123 has 12 divisors (see below), whose sum is σ = 1245362879488. Its totient is φ = 1160350500960.

The previous prime is 1202130112109. The next prime is 1202130112219. The reversal of 1202130112123 is 3212110312021.

It is not a de Polignac number, because 1202130112123 - 2¹³ = 1202130103931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202130112123.

It is not an unprimeable number, because it can be changed into a prime (1202130172123) 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 in 11 ways as a sum of consecutive naturals, for example, 2813833 + ... + 3212773.

Almost surely, 2^{1202130112123} is an apocalyptic number.

1202130112123 is a deficient number, since it is larger than the sum of its proper divisors (43232767365).

1202130112123 is an equidigital number, since it uses as much as digits as its factorization.

1202130112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402582 (or 402553 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1202130112123 its reverse (3212110312021), we get a palindrome (4414240424144).

The spelling of 1202130112123 in words is "one trillion, two hundred two billion, one hundred thirty million, one hundred twelve thousand, one hundred twenty-three".