12123003032013 has 4 divisors (see below), whose sum is σ = 16164004042688. Its totient is φ = 8082002021340.

The previous prime is 12123003032011. The next prime is 12123003032017. The reversal of 12123003032013 is 31023030032121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12123003032013 - 2¹ = 12123003032011 is a prime.

It is a super-2 number, since 2×12123003032013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123003032011) 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, 2020500505333 + ... + 2020500505338.

It is an arithmetic number, because the mean of its divisors is an integer number (4041001010672).

Almost surely, 2^{12123003032013} is an apocalyptic number.

It is an amenable number.

12123003032013 is a deficient number, since it is larger than the sum of its proper divisors (4041001010675).

12123003032013 is an equidigital number, since it uses as much as digits as its factorization.

12123003032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041001010674.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12123003032013 its reverse (31023030032121), we get a palindrome (43146033064134).

The spelling of 12123003032013 in words is "twelve trillion, one hundred twenty-three billion, three million, thirty-two thousand, thirteen".