3121123000013 has 8 divisors (see below), whose sum is σ = 3308444212032. Its totient is φ = 2934215759296.

The previous prime is 3121123000003. The next prime is 3121123000019. The reversal of 3121123000013 is 3100003211213.

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 3121123000013 - 2³⁴ = 3103943130829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3121122999955 and 3121123000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121123000019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103477295 + ... + 103507452.

It is an arithmetic number, because the mean of its divisors is an integer number (413555526504).

Almost surely, 2^{3121123000013} is an apocalyptic number.

It is an amenable number.

3121123000013 is a deficient number, since it is larger than the sum of its proper divisors (187321212019).

3121123000013 is a wasteful number, since it uses less digits than its factorization.

3121123000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206985651.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 3121123000013 its reverse (3100003211213), we get a palindrome (6221126211226).

The spelling of 3121123000013 in words is "three trillion, one hundred twenty-one billion, one hundred twenty-three million, thirteen", and thus it is an aban number.