3121420204 has 12 divisors (see below), whose sum is σ = 6242840464. Its totient is φ = 1337751504.

The previous prime is 3121420199. The next prime is 3121420219. The reversal of 3121420204 is 4020241213.

3121420204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

3121420204 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55739619 + ... + 55739674.

Almost surely, 2^3121420204 is an apocalyptic number.

It is an amenable number.

3121420204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121420204 is a wasteful number, since it uses less digits than its factorization.

3121420204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111479304 (or 111479302 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3121420204 is about 55869.6715938084. The cubic root of 3121420204 is about 1461.4503951615.

Adding to 3121420204 its reverse (4020241213), we get a palindrome (7141661417).

The spelling of 3121420204 in words is "three billion, one hundred twenty-one million, four hundred twenty thousand, two hundred four".