3121026112 has 14 divisors (see below), whose sum is σ = 6193286318. Its totient is φ = 1560513024.

The previous prime is 3121026071. The next prime is 3121026113. The reversal of 3121026112 is 2116201213.

It can be written as a sum of positive squares in only one way, i.e., 2694025216 + 427000896 = 51904^2 + 20664^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3121026112.

It is not an unprimeable number, because it can be changed into a prime (3121026113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24382953 + ... + 24383080.

Almost surely, 2^3121026112 is an apocalyptic number.

3121026112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3121026112 is a deficient number, since it is larger than the sum of its proper divisors (3072260206).

3121026112 is an equidigital number, since it uses as much as digits as its factorization.

3121026112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48766045 (or 48766035 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 3121026112 is about 55866.1445958104. The cubic root of 3121026112 is about 1461.3888878869.

Adding to 3121026112 its reverse (2116201213), we get a palindrome (5237227325).

The spelling of 3121026112 in words is "three billion, one hundred twenty-one million, twenty-six thousand, one hundred twelve".