3121132112 has 20 divisors (see below), whose sum is σ = 6911078496. Its totient is φ = 1337628000.

The previous prime is 3121132073. The next prime is 3121132121. The reversal of 3121132112 is 2112311213.

It is a super-3 number, since 3×3121132112³ (a number of 29 digits) contains 333 as substring.

It is a congruent 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, 13933514 + ... + 13933737.

Almost surely, 2^3121132112 is an apocalyptic number.

It is an amenable number.

3121132112 is an abundant number, since it is smaller than the sum of its proper divisors (3789946384).

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

3121132112 is a wasteful number, since it uses less digits than its factorization.

3121132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27867266 (or 27867260 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 3121132112 is about 55867.0932839717. The cubic root of 3121132112 is about 1461.4054321753.

Adding to 3121132112 its reverse (2112311213), we get a palindrome (5233443325).

The spelling of 3121132112 in words is "three billion, one hundred twenty-one million, one hundred thirty-two thousand, one hundred twelve".