123012041113 has 8 divisors (see below), whose sum is σ = 132477518600. Its totient is φ = 113546994048.

The previous prime is 123012041081. The next prime is 123012041161. The reversal of 123012041113 is 311140210321.

It can be written as a sum of positive squares in 4 ways, for example, as 16054917264 + 106957123849 = 126708^2 + 327043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123012041113 - 2⁵ = 123012041081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123012071113) 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 in 7 ways as a sum of consecutive naturals, for example, 724123 + ... + 877711.

It is an arithmetic number, because the mean of its divisors is an integer number (16559689825).

Almost surely, 2^123012041113 is an apocalyptic number.

123012041113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123012041113 is a deficient number, since it is larger than the sum of its proper divisors (9465477487).

123012041113 is a wasteful number, since it uses less digits than its factorization.

123012041113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215211.

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

Adding to 123012041113 its reverse (311140210321), we get a palindrome (434152251434).

The spelling of 123012041113 in words is "one hundred twenty-three billion, twelve million, forty-one thousand, one hundred thirteen".