3120012421 has 8 divisors (see below), whose sum is σ = 3191852160. Its totient is φ = 3048400128.

The previous prime is 3120012419. The next prime is 3120012437. The reversal of 3120012421 is 1242100213.

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 3120012421 - 2¹ = 3120012419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3120012395 and 3120012404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120012221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28956 + ... + 84133.

It is an arithmetic number, because the mean of its divisors is an integer number (398981520).

Almost surely, 2^3120012421 is an apocalyptic number.

It is an amenable number.

3120012421 is a deficient number, since it is larger than the sum of its proper divisors (71839739).

3120012421 is a wasteful number, since it uses less digits than its factorization.

3120012421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113723.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3120012421 is about 55857.0713607507. The cubic root of 3120012421 is about 1461.2306539042.

Adding to 3120012421 its reverse (1242100213), we get a palindrome (4362112634).

The spelling of 3120012421 in words is "three billion, one hundred twenty million, twelve thousand, four hundred twenty-one".