3121212441 has 32 divisors (see below), whose sum is σ = 4508818560. Its totient is φ = 1913849856.

The previous prime is 3121212389. The next prime is 3121212481. The reversal of 3121212441 is 1442121213.

It is not a de Polignac number, because 3121212441 - 2¹³ = 3121204249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3121212481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1173385 + ... + 1176041.

It is an arithmetic number, because the mean of its divisors is an integer number (140900580).

Almost surely, 2^3121212441 is an apocalyptic number.

It is an amenable number.

3121212441 is a deficient number, since it is larger than the sum of its proper divisors (1387606119).

3121212441 is a wasteful number, since it uses less digits than its factorization.

3121212441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273.

The product of its digits is 384, while the sum is 21.

The square root of 3121212441 is about 55867.8122088202. The cubic root of 3121212441 is about 1461.4179695309.

Adding to 3121212441 its reverse (1442121213), we get a palindrome (4563333654).

The spelling of 3121212441 in words is "three billion, one hundred twenty-one million, two hundred twelve thousand, four hundred forty-one".