3121426241212 has 24 divisors (see below), whose sum is σ = 5652669098160. Its totient is φ = 1506412427520.

The previous prime is 3121426241203. The next prime is 3121426241231. The reversal of 3121426241212 is 2121426241213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3948898 + ... + 4672969.

It is an arithmetic number, because the mean of its divisors is an integer number (235527879090).

Almost surely, 2^{3121426241212} is an apocalyptic number.

It is an amenable number.

3121426241212 is a deficient number, since it is larger than the sum of its proper divisors (2531242856948).

3121426241212 is a wasteful number, since it uses less digits than its factorization.

3121426241212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8625021 (or 8625019 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

Subtracting from 3121426241212 its reverse (2121426241213), we obtain a palindrome (999999999999).

The spelling of 3121426241212 in words is "three trillion, one hundred twenty-one billion, four hundred twenty-six million, two hundred forty-one thousand, two hundred twelve".