3120121013 has 8 divisors (see below), whose sum is σ = 3174854400. Its totient is φ = 3065449408.

The previous prime is 3120121007. The next prime is 3120121019. The reversal of 3120121013 is 3101210213.

It is an interprime number because it is at equal distance from previous prime (3120121007) and next prime (3120121019).

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 3120121013 - 2¹² = 3120116917 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 (3120121019) 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, 93053 + ... + 122061.

It is an arithmetic number, because the mean of its divisors is an integer number (396856800).

Almost surely, 2^3120121013 is an apocalyptic number.

It is an amenable number.

3120121013 is a deficient number, since it is larger than the sum of its proper divisors (54733387).

3120121013 is a wasteful number, since it uses less digits than its factorization.

3120121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30891.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3120121013 is about 55858.0434046879. The cubic root of 3120121013 is about 1461.2476064135.

Adding to 3120121013 its reverse (3101210213), we get a palindrome (6221331226).

The spelling of 3120121013 in words is "three billion, one hundred twenty million, one hundred twenty-one thousand, thirteen".