1123412012302 has 4 divisors (see below), whose sum is σ = 1685118018456. Its totient is φ = 561706006150.

The previous prime is 1123412012287. The next prime is 1123412012309. The reversal of 1123412012302 is 2032102143211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123412012309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280853003074 + ... + 280853003077.

It is an arithmetic number, because the mean of its divisors is an integer number (421279504614).

Almost surely, 2^{1123412012302} is an apocalyptic number.

1123412012302 is a deficient number, since it is larger than the sum of its proper divisors (561706006154).

1123412012302 is an equidigital number, since it uses as much as digits as its factorization.

1123412012302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561706006153.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1123412012302 its reverse (2032102143211), we get a palindrome (3155514155513).

The spelling of 1123412012302 in words is "one trillion, one hundred twenty-three billion, four hundred twelve million, twelve thousand, three hundred two".