3203112121 has 12 divisors (see below), whose sum is σ = 3529234800. Its totient is φ = 2904924440.

The previous prime is 3203112119. The next prime is 3203112191. The reversal of 3203112121 is 1212113023.

It is not a de Polignac number, because 3203112121 - 2¹ = 3203112119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3203112095 and 3203112104.

It is not an unprimeable number, because it can be changed into a prime (3203112191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19110 + ... + 82288.

It is an arithmetic number, because the mean of its divisors is an integer number (294102900).

Almost surely, 2^3203112121 is an apocalyptic number.

It is an amenable number.

3203112121 is a deficient number, since it is larger than the sum of its proper divisors (326122679).

3203112121 is a wasteful number, since it uses less digits than its factorization.

3203112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63620 (or 63609 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3203112121 is about 56596.0433334345. The cubic root of 3203112121 is about 1474.0901593326.

Adding to 3203112121 its reverse (1212113023), we get a palindrome (4415225144).

The spelling of 3203112121 in words is "three billion, two hundred three million, one hundred twelve thousand, one hundred twenty-one".