3123805134452 has 24 divisors (see below), whose sum is σ = 5620808590824. Its totient is φ = 1517956094592.

The previous prime is 3123805134413. The next prime is 3123805134511. The reversal of 3123805134452 is 2544315083213.

It can be written as a sum of positive squares in 4 ways, for example, as 2073352327396 + 1050452807056 = 1439914^2 + 1024916^2 .

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 7 ways as a sum of consecutive naturals, for example, 11903723 + ... + 12163314.

It is an arithmetic number, because the mean of its divisors is an integer number (234200357951).

Almost surely, 2^{3123805134452} is an apocalyptic number.

It is an amenable number.

3123805134452 is a deficient number, since it is larger than the sum of its proper divisors (2497003456372).

3123805134452 is a wasteful number, since it uses less digits than its factorization.

3123805134452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24067955 (or 24067953 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 3123805134452 in words is "three trillion, one hundred twenty-three billion, eight hundred five million, one hundred thirty-four thousand, four hundred fifty-two".