1206112140823 has 4 divisors (see below), whose sum is σ = 1219663962720. Its totient is φ = 1192560318928.

The previous prime is 1206112140803. The next prime is 1206112140851. The reversal of 1206112140823 is 3280412116021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1206112140823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206112140803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6775910815 + ... + 6775910992.

It is an arithmetic number, because the mean of its divisors is an integer number (304915990680).

Almost surely, 2^{1206112140823} is an apocalyptic number.

1206112140823 is a deficient number, since it is larger than the sum of its proper divisors (13551821897).

1206112140823 is an equidigital number, since it uses as much as digits as its factorization.

1206112140823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13551821896.

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 1206112140823 its reverse (3280412116021), we get a palindrome (4486524256844).

The spelling of 1206112140823 in words is "one trillion, two hundred six billion, one hundred twelve million, one hundred forty thousand, eight hundred twenty-three".