3123442042012 has 12 divisors (see below), whose sum is σ = 5466287535520. Its totient is φ = 1561645603296.

The previous prime is 3123442042009. The next prime is 3123442042069. The reversal of 3123442042012 is 2102402443213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18761193 + ... + 18926944.

Almost surely, 2^{3123442042012} is an apocalyptic number.

It is an amenable number.

3123442042012 is a deficient number, since it is larger than the sum of its proper divisors (2342845493508).

3123442042012 is a wasteful number, since it uses less digits than its factorization.

3123442042012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37708860 (or 37708858 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 3123442042012 its reverse (2102402443213), we get a palindrome (5225844485225).

The spelling of 3123442042012 in words is "three trillion, one hundred twenty-three billion, four hundred forty-two million, forty-two thousand, twelve".