3121420241212 has 24 divisors (see below), whose sum is σ = 6723058981856. Its totient is φ = 1234847567808.

The previous prime is 3121420241201. The next prime is 3121420241237. The reversal of 3121420241212 is 2121420241213.

It is a congruent number.

It is an unprimeable number.

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, 4287664803 + ... + 4287665530.

Almost surely, 2^{3121420241212} is an apocalyptic number.

It is an amenable number.

3121420241212 is an abundant number, since it is smaller than the sum of its proper divisors (3601638740644).

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

3121420241212 is a wasteful number, since it uses less digits than its factorization.

3121420241212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575330357 (or 8575330355 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 3121420241212 its reverse (2121420241213), we get a palindrome (5242840482425).

Subtracting from 3121420241212 its reverse (2121420241213), we obtain a palindrome (999999999999).

The spelling of 3121420241212 in words is "three trillion, one hundred twenty-one billion, four hundred twenty million, two hundred forty-one thousand, two hundred twelve".