123012320012441 has 4 divisors (see below), whose sum is σ = 123106872142884. Its totient is φ = 122917767882000.

The previous prime is 123012320012357. The next prime is 123012320012443. The reversal of 123012320012441 is 144210023210321.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5354151721216 + 117658168291225 = 2313904^2 + 10847035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123012320012441 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 123012320012441.

It is not an unprimeable number, because it can be changed into a prime (123012320012443) 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, 47276063270 + ... + 47276065871.

It is an arithmetic number, because the mean of its divisors is an integer number (30776718035721).

Almost surely, 2^{123012320012441} is an apocalyptic number.

It is an amenable number.

123012320012441 is a deficient number, since it is larger than the sum of its proper divisors (94552130443).

123012320012441 is an equidigital number, since it uses as much as digits as its factorization.

123012320012441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94552130442.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 123012320012441 its reverse (144210023210321), we get a palindrome (267222343222762).

The spelling of 123012320012441 in words is "one hundred twenty-three trillion, twelve billion, three hundred twenty million, twelve thousand, four hundred forty-one".