3112121123 has 8 divisors (see below), whose sum is σ = 3160984080. Its totient is φ = 3063329280.

The previous prime is 3112121107. The next prime is 3112121141. The reversal of 3112121123 is 3211212113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3112121123 - 2⁴ = 3112121107 is a prime.

It is a super-2 number, since 2×3112121123² = 19370595768445562258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112121423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74123 + ... + 108251.

It is an arithmetic number, because the mean of its divisors is an integer number (395123010).

Almost surely, 2^3112121123 is an apocalyptic number.

3112121123 is a deficient number, since it is larger than the sum of its proper divisors (48862957).

3112121123 is a wasteful number, since it uses less digits than its factorization.

3112121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35557.

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

The square root of 3112121123 is about 55786.3883308464. The cubic root of 3112121123 is about 1459.9976735748.

Adding to 3112121123 its reverse (3211212113), we get a palindrome (6323333236).

The spelling of 3112121123 in words is "three billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty-three".